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How to Calculate a Discount Percentage

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To find the discount percentage, divide the amount saved by the original price and multiply by 100: (discount ÷ original price) × 100.

Example: finding the percent off

A $120 jacket is reduced to $84. The saving is $120 − $84 = $36. The discount is (36 ÷ 120) × 100 = 30%.

Example: applying a discount

A $60 item has 25% off. The saving is 25% of 60 = (25 ÷ 100) × 60 = $15, so you pay $45.

Step by step

  1. Subtract the sale price from the original price to get the saving.
  2. Divide the saving by the original price.
  3. Multiply by 100 to get the discount percentage.

Watch out for stacked discounts

"Extra 20% off an already 30% off item" is not 50% off. Apply them one at a time: a $100 item becomes $70, then $56 — a total discount of 44%, not 50%.

Use Mode 1 to take a percentage of a price, or Mode 2 to find the discount percent, in our percentage calculator.

Try the Percentage Calculator →