Percent Increase Calculator

Calculate the percentage increase between two numbers — price rises, salary hikes, or any growth — free online. — free, fast and private.

Your result will appear here.

How to use Percent Increase Calculator

  1. Enter the original value.
  2. Enter the new, higher value.
  3. Click Calculate Increase to see the percentage rise.

Note: this tool runs in your browser. Nothing is uploaded.

Frequently Asked Questions

What is the formula for percent increase?

Percent increase = (new value − original value) ÷ original value × 100. For example, a salary rising from 100 to 125 is (125 − 100) ÷ 100 × 100 = 25% increase.

Is this tool free to use?

Yes, it is 100% free with no sign-up. Your data stays in your browser.

Is my data uploaded or stored?

No. This tool runs entirely in your browser — nothing you enter is uploaded to a server.

Can I use it on my phone?

Yes, it is fully mobile-friendly and works in any modern browser on phone, tablet or computer.