Want to know exactly how much you’ll save when a product is marked down by a percentage? This guide walks you through the math, step by step, so you can confidently calculate both the dollar amount saved and the final price.

1. Calculate the Discount Amount

Step 1 – Convert the Discount to a Decimal

Divide the discount percentage by 100. For a 25 % off sale, that’s 25 ÷ 100 = 0.25.

Step 2 – Multiply by the Original Price

Multiply the item’s original price by the decimal. If the item cost $80, the discount equals $80 × 0.25 = $20.

Step 3 – Subtract to Find the Sale Price

Subtract the discount from the original price: $80 – $20 = $60. The final price is $60.

2. Jump Straight to the Sale Price

When you only need the final price, you can skip calculating the dollar discount.

Step 1 – Determine the Remaining Percentage

Subtract the discount from 100 %. For a 30 % off item: 100 – 30 = 70 %.

Step 2 – Convert to Decimal

Divide by 100: 70 ÷ 100 = 0.7.

Step 3 – Apply to the Original Price

Multiply: $90 × 0.7 = $63. You’ll pay $63 after a 30 % discount.