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Arithmetic

Discount Percentage

Formula
Discount % = (Discount / Original Price) × 100

What is Discount Percentage?

Discount percentage measures the reduction in price relative to the original price. The discount is the difference between the original price and the sale price.

Variables

  • D
    Discount — Original Price − Sale Price
  • O
    Original Price — Price before discount

Worked Examples

Example 1

A shirt originally priced at $60 is on sale for $45. Find the discount percentage.

Solution:

Discount = 60 − 45 = 15. Discount % = (15 / 60) × 100 = 25%

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