Percentage calculator

Calculate percentages: percent of a number, what percent one number is of another, and percent change.

What is%of

Percentage formulas

X% of Y: (X/100) × Y. 15% of 200 = 0.15 × 200 = 30.

X is what % of Y: (X/Y) × 100. 30 is what % of 200? (30/200)×100 = 15%.

What is X% more than Y: Y × (1 + X/100).

Converting

Fraction to %: multiply by 100. 3/4 = 75%. Decimal to %: multiply by 100. 0.85 = 85%.

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