Percentage Calculator

Solve various types of percentage calculations in one place. Supports ratio, change rate, and reverse calculations.

Calculate a percentage of a value

Calculate what percentage a part is of the whole

is what % of

Calculate the change rate between two values

→

Reverse calculate the original value from a percentage

Percentage (%) means "per hundred". 50% means 50 out of 100, or half. Its the most common way to express ratios.

Supports various calculations: X% of Y, X is what % of Y, percentage change, and finding original values.

Percentage calculations are needed for discounts, taxes, returns, growth rates, and more. Use this calculator for quick results.

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What is Percentage?