Calculators
Percentage Calculator
Calculate percentages, X% of Y, increase and decrease.
10% of 200 = 20.00
10 is 5.00% of 200
About Percentage Calculator
From exam marks to shopping discounts, percentages are everywhere. This calculator handles the four most common cases in one place.
CodeMyindia's Percentage Calculator is fast, mobile-friendly and works entirely in your browser. 100% private — runs in your browser, no upload, no signup. Free forever, no watermark, no daily limit.
How to use the Percentage Calculator
- 1Enter percentage and value.
- 2Read both X% of Y and X as % of Y.
Why use our Percentage Calculator
- Fast, mobile-first UI.
- 100% private — runs in your browser, no upload, no signup.
- Free forever, no watermark, no daily limit.
- Accurate results with clear step-by-step output.
Frequently asked questions
How to find % change?
((new − old) ÷ old) × 100.
Is the Percentage Calculator really free?
Yes. Free forever, no watermark, no daily limit.
Is my data private?
100% private — runs in your browser, no upload, no signup.