X is what percentage of Y?
Ideal for grades, completion rates and proportions.
Everyday Tools
All-in-One Percentage Calculator
Work out ratios, percentage increases, decreases and seed germination rates all in one place.
Part ÷ Total × 100Original value × (1 ± percentage)Germination number ÷ Sowing number × 100
What is X% of Y?
Quickly work out tips, tax or discount amounts.
Percentage increase
Work out the new value after a price rise, pay rise or growth.
Percentage decrease
Work out the new value after a sale, discount or reduction.
Percentage change and difference
Compare the rise or fall between two values and show the difference regardless of direction.
Seed germination rate
Assess seed viability from a germination test and estimate how much to sow.
How it's calculated
Ratio:Value X ÷ Total Y × 100
Increase:Original value × (1 + Percentage X% ÷ 100)
Germination rate:Seeds germinated ÷ Seeds sown × 100