MyToolsBay
Calculator tool

Percentage Calculator

Calculate percentages, percentage increases, decreases, and percentage changes instantly.

What is X% of Y?

Calculate a percentage of a number.

Result

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X is what percentage of Y?

Find what percentage one number is of another.

Result

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Percentage Increase or Decrease

Calculate the percentage change between two numbers.

Percentage Change

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How to use it

  1. 1Enter the numbers into the appropriate calculator.
  2. 2The result is calculated instantly.
  3. 3Use the percentage change calculator to find increases or decreases.

Features

  • ✓ Calculate X% of a number
  • ✓ Find what percentage X is of Y
  • ✓ Calculate percentage increase
  • ✓ Calculate percentage decrease
  • ✓ Instant results
  • ✓ Works entirely in your browser

Privacy

Files are processed in your browser in this Version 1 implementation. Your selected file is not sent to a Toolbox server for processing.

Frequently asked questions

How do I calculate a percentage of a number?

Enter the percentage and the number into the first calculator. For example, 20% of 500 equals 100.

How do I calculate percentage increase?

Enter the original value and the new value. The calculator will show the percentage increase or decrease.

Is this percentage calculator free?

Yes. The calculator is completely free to use and works directly in your browser.