Marks, discounts, growth — every percentage in one place.
25% of 200 = 50
45 is 75% of 60
Change: 30% increase
Percentages come up everywhere — exam marks, shopping discounts, salary hikes, GST, and profit margins. This percentage calculator handles the three most common calculations so you never have to reach for a formula.
Find what X% of a number is, what percentage one number is of another, and the percentage increase or decrease between two values. Results update live as you type.
Divide A by B and multiply by 100. For example, 45 out of 60 is (45/60) × 100 = 75%.
Subtract the old value from the new value, divide by the old value, and multiply by 100.
Multiply the original price by the discount percentage and divide by 100, then subtract it from the original price.