Percentage Calculator
Solve everyday percentage problems in one place: find a percentage of a number, work out what percentage one number is of another, and calculate percentage increase or decrease between two values.
What do you want to work out?
Enter two values to calculate.
Frequently asked questions
How do I find a percentage of a number?+
Multiply the number by the percentage and divide by 100. For example, 20% of 150 is 150 × 20 ÷ 100 = 30. The calculator does this instantly.
How do I calculate percentage change?+
Subtract the old value from the new value, divide by the old value, then multiply by 100. A positive result is an increase and a negative result is a decrease.
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