Percentage Calculator
What is B% of A? A is what percent of B? Calculate percent change, increases and discounts in one place.
What is B% of A?
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A is what % of B?
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Percent change from A to B
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Increase or discount A by B%
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Percentage formulas
- B% of A = A × B ÷ 100
- A is what % of B = A ÷ B × 100
- Percent change = (new − old) ÷ old × 100
- Discounted price = price × (1 − discount ÷ 100)
Percent vs percentage points
If an interest rate goes from 3% to 4%, it rose by 1 percentage point, but by about 33.3 percent. The difference between two rates is expressed in percentage points.