Percentage Calculator
Calculate percentages instantly — find X% of Y, what percent X is of Y, and percentage change between two numbers.
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How to Calculate Percentages
A percentage represents a fraction of 100. To find X% of a number, multiply the number by X and divide by 100. For example, 25% of 200 is (200 × 25) ÷ 100 = 50.
To find what percentage one number is of another, divide the first number by the second and multiply by 100. For example, 50 is (50 ÷ 200) × 100 = 25% of 200.
Percentage change measures how much a value has increased or decreased relative to its original value. The formula is: ((New − Old) ÷ Old) × 100.
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