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Percentage calculator.

Calculate a percentage of a value, percentage change or difference.

Your workspace

● Processed on your device

Ready when you are.

How to use it

  1. Enter the two values.
  2. Select the calculation you need.
  3. Read the result and the formula used.

A useful example

20% of 250 is 50. A change from 80 to 100 is a 25% increase.

Good to know

Percentage change uses the first value as the baseline. Percentage difference uses the average of two non-negative values. A zero denominator is rejected rather than returning Infinity.

Where do my files and text go?

Processing happens in this browser tab. Tool inputs and output files are not uploaded, stored by Agilestsol, or included in analytics. Download anything you want to keep before closing the tab.

File tools: up to 20 MB per file and 50 MB combined. PDF tools: up to 200 output pages. Keep originals and review generated files before sharing.