Percentage Calculator

Quickly find what % of a number is. Perfect for financial planning, shopping discounts, or tipping calculations.

Find % Change (Increase or Decrease)

Measure growth, decline, or trends - ideal for tracking financial investments, pricing, and more.

Find % Between Two Numbers

Compare values and determine proportions effortlessly. Use this tool for academic tasks, data analysis, or daily life calculations.

About

Our tools are designed to make complex percentage calculations simple, fast, and accurate. Whether you’re a student, professional, or just someone looking to crunch numbers, our tools save you time and effort. Our intuitive interface allows you to perform a variety of calculations in just a few clicks, saving you time and effort.

With CalcPercent, you can:

  • Calculate %: Whether you’re figuring out the discount on a sale item or determining the tip at a restaurant, our tool can quickly calculate what a percentage of a given number is.
  • Find the % between two numbers: If you’re looking to understand what % one number represents of another, this feature will give you the answer instantly. This is perfect for comparing quantities, calculating proportions, or breaking down numerical relationships.
  • Determine % change (increase or decrease): Want to know how much a value has increased or decreased over time? Our tool helps you measure growth or decline in terms of percentage, making it easy to track progress or analyze trends in prices, values, or statistics.

How To Use

Find Percentage

This tool helps you find what a certain % of a number is.

How To Use Our Tool:

  1. Enter % you want to calculate in the first field.
  2. Enter the number you want to find % of in the second field.
  3. Click the “CACLULATE” button to see the result.

Example:

You want to find 20% of 150.
  • Enter 20 in the "%" field.
  • Enter 150 in the number field.
  • The result will show 30, because 20% of 150 is 30.

Determine % Between Two Numbers

This tool calculates what % one number is of another.

How To Proceed:

  1. Enter the first number (the part or smaller number) in the first field.
  2. Enter the second number (the total or larger number) in the second field.
  3. Click the “CALCULATE” button to see what % the first number is of the second.

Example:

You want to know what % 25 is of 200.

  • Enter 25 in the first field.
  • Enter 200 in the second field.
  • The result will show 12.5%, because 25 is 12.5% of 200.

Find Percentage Change (Increase or Decrease)

This tool calculates the % change between two numbers, whether the value has increased or decreased.

How To Proceed:

  1. Enter the initial value (the original number) in the first field.
  2. Enter the new value (the updated number) in the second field.
  3. Click the “CALCULATE” button to see the percentage change.

Example:

You want to find the percentage increase from 50 to 75.

  • Enter 50 in the initial value field.
  • Enter 75 in the new value field.
  • The result will show 50%, because 75 is a 50% increase from 50.

If the value had decreased (e.g., from 100 to 80), the result would show a percentage decrease (in this case, 20%).

FAQs

How do you calculate percentages?

The process is simple with our online tool. The formula is: (Part / Whole) × 100 = Percentage. For example, to find what % 25 is of 200, divide 25 by 200 (0.125) and multiply by 100 to get 12.5%.

What is the formula to determine %?

The basic formula depends on the scenario:
  • Finding a % of a number: (Percentage × Total) ÷ 100
  • Calculating percentage change: ((New Value - Original Value) ÷ Original Value) × 100
  • Finding % between two numbers: (Part ÷ Whole) × 100
Example: What percentage is 25 of 100? It’s 25%.

How to find % of a number?

  1. Multiply the % value by the number.
  2. Divide the result by 100.
Example: 15% of 300 is:(15 × 300) ÷ 100 = 45.

How to compute % change?


Formula: Percentage Change = ((New Value - Original Value) ÷ Original Value) × 100
Examples:
  • Increase: From 50 to 75 = 50%.
  • Decrease: From 100 to 80 = -20%.

What is a percentage of a percentage?

Calculating % of a percentage involves multiplying the two % together and dividing by 100.
Example: What is 20% of 50%?
(20 × 50) ÷ 100 = 10%.

How to figure out % increase?

Use the formula:((New Value - Original Value) ÷ Original Value) × 100
Example: If your salary increased from $40,000 to $50,000:
25%.

How to determine % decrease?

Use the same formula as for increases, but the result will be negative.
Example: If a price drops from 100 to 75:
((75 - 100) ÷ 100) × 100 = -25%.

Can I find percent differences with this tool?

Yes, our app compares two numbers.
Formula:
((|Value 1 - Value 2|) ÷ ((Value 1 + Value 2) ÷ 2)) × 100
Example: Compare 80 and 100: 22.22%.

How is % of change calculator useful?

It can be used for tracking growth, decline, or trends in data, such as:
  • Finance: Analyze profit or loss %.
  • Statistics: Measure performance changes.
  • Shopping: Understand price fluctuations.

What are the benefits of using an online % calculator?

  • Speed and Accuracy: Avoid manual errors in calculations.
  • Versatility: Handle various scenarios like calculating increase, decrease, or proportions.
  • Ease of Use: Input numbers to calculate % instantly.
  • Accessibility: Use it anytime for tasks like budgeting or analyzing data.

📊 Test Your Percentage Knowledge

Take this quick quiz to test how well you understand percentages.

What is 20% of 150?

What percentage is 25 out of 100?

If you increase $100 by 10%, what's the result?

A shirt costs $60 with a 30% discount. What's the final price?

Which gives the best return: 5% compounded monthly or annually?