Percentage Calculator
What is X% of Y?
Enter a percentage and a base value.
Enter both values to see the result.
X is what percentage of Y?
Compare two values to find the share that X represents out of Y.
Percentage change from X to Y
Measure the increase or decrease between two values.
Enter both values to see the result.
How it works
Pick the card that matches your question, enter the two values, and review the result.
Calculations update as you type, and the button lets you confirm changes if you prefer taps over realtime updates.
Formulas
What is X% of Y?
(X / 100) * YX is what percentage of Y?
(X / Y) * 100Percentage change from X to Y
((Y - X) / X) * 100Related tools
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