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Percentage Calculator
Percentage Calculator
Find Percentage
What is X% of Y?
What is
%
of
?
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X is what % of Y?
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X is Y% of what?
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Percentage Formulas
Find Percentage
X% × Y ÷ 100
Find Rate
X ÷ Y × 100
% Change
(New-Old) ÷ Old × 100
% Difference
|A-B| ÷ Avg × 100
Common Examples
| Question | Formula | Answer |
|---|---|---|
| What is 15% of 200? | 15 × 200 ÷ 100 |
30 |
| 30 is what % of 150? | 30 ÷ 150 × 100 |
20% |
| 25 is 20% of what? | 25 ÷ 20 × 100 |
125 |
| % change from 80 to 100? | (100-80) ÷ 80 × 100 |
25% increase |
| % difference between 40 and 60? | |40-60| ÷ 50 × 100 |
40% |
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