80% Off 25

80% off 25 = 5 (you save 20)

How to calculate 80% off 25

  1. Find the discount: 80% of 25 = 0.8 × 25 = 20.
  2. Subtract it from the price: 25 − 20 = 5.

Or in one step, multiply by the share you pay: 25 × 0.2 = 5.

Stacked discounts do not add up: an extra 10% off the sale price gives 4.5, which is 82% off in total, not 90%.

Frequently asked questions

What is 80% off 25?

The sale price is 5 and you save 20.

How do you calculate a percentage of a number?

Divide the percentage by 100 and multiply by the number: 15% of 80 = 0.15 × 80 = 12.

How do you find what percent one number is of another?

Divide the part by the whole and multiply by 100: 12 is 12 ÷ 80 × 100 = 15% of 80.