Percentage Change Calculator

Find the percentage increase or decrease between two numbers instantly. Free online percent change calculator.

✓ 100% free ✓ No sign up ✓ Runs in your browser — nothing uploaded
Increase
25%
Difference 20

How to use Percentage Change Calculator

  1. 1Enter your numbers or dates.
  2. 2Results update instantly as you type.
  3. 3Copy the main result with one click.

Questions

Is Percentage Change Calculator free?

Yes. Percentage Change Calculator is 100% free with no limits, no watermark, no sign up and no email required.

Is my data sent anywhere?

No. Everything is calculated locally in your browser. Nothing you type is sent to or stored on any server.

Does Percentage Change Calculator work on my phone?

Yes. Percentage Change Calculator works in any modern browser on iPhone, Android, Windows, Mac, Linux and Chromebook. No app or install needed.

Do I need to create an account?

Never. There is no sign up, no login, no email and no paywall. Just open the page and use it.

How accurate is it?

Calculations use standard formulas with full floating-point precision. For medical, legal or financial decisions, please confirm with a professional.

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