Text & Generators·Updated 2026-04-22

Percentage Calculator

X % of Y, increase, decrease, percent change. All in one.

How it works

1.
Pick mode
Pick one of 5 modes: X % of Y, X is what percent of Y, increase by X %, decrease by X %, or percent change from A to B.
2.
Enter values
Enter the two values. Locale-aware number formatting (German: 1.000,50 vs. English: 1,000.50) is auto-detected on parse.
3.
Read result
The result appears instantly with full decimal precision plus a 2-decimal rounded version. Perfect for margins, discounts, price changes, and stats.

FAQ

How do I calculate percent change?+

(new − old) ÷ |old| × 100. This tool uses exactly that formula.

Prozent vs. Prozentpunkt?+

Percentage points are the absolute difference between two percent values. This tool computes relative percent.

Is my input stored?+

No, everything local.

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