Percentage Calculator
Use this free percentage calculator to quickly solve all common percentage problems.
What is
%
of
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is what % of
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What is
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% ?
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What is
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What is the % increase / decrease
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to
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is
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of what?
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About Percentage Calculator
This percentage calculator helps you calculate percentage of a number, find what percent one value is of another, add or subtract percentages, calculate percentage increase or decrease, and reverse percentage.
Percentage Formulas
- (Percentage ÷ 100) × Number
- (Value ÷ Total) × 100
- Number ± (Number × Percentage ÷ 100)
- ((New − Old) ÷ Old) × 100
- (Value × 100) ÷ Percentage
Frequently Asked Questions
How do you calculate percentage?
Divide the percentage by 100 and multiply it by the number.
How to calculate percentage increase or decrease?
Subtract the old value from the new value, divide by the old value and multiply by 100.
Is this percentage calculator free?
Yes, it is 100% free and works instantly.