Quickly calculate percentages, find what percent one number is of another, or calculate percentage increase and decrease.
What is X% of Y?
X is what percent of Y?
What is the percentage increase or decrease?
Learn the formulas behind the most common percentage calculations.
Divide X by 100, then multiply the result by Y.
Formula: (X รท 100) ร Y
Divide X by Y, then multiply the result by 100.
Formula: (X รท Y) ร 100
Measure the increase or decrease between two values.
Formula: ((New โ Old) รท Old) ร 100
A percentage calculator is essential for a wide variety of everyday math problems.
Solve math problems, homework, and exam questions quickly.
Calculate growth, profit margins, and specific sales changes.
Compare prices, calculate discounts, and figure out returns.
Measure performance shifts and structural changes over time.
Find answers to common questions about percentage calculations and percent change.