Percentage Calculator

Calculate percentages instantly. Find what percent of a number is, percentage increase/decrease, or what percentage one number is of another.

How to Use Percentage Calculator

Select what you need: basic %, % of total, or % change.

Fill in the numbers you have.

See the answer instantly with the formula used.

How do I calculate what % X is of Y?▼

Divide X by Y and multiply by 100. Example: 25 is what % of 200? → (25/200) × 100 = 12.5%.

How do I calculate a percentage increase?▼

((New - Old) / Old) × 100. Example: from 50 to 75 → ((75-50)/50) × 100 = 50% increase.

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