70% off $100 is a discount of $70, so the final sale price is $30. Use the calculator below to change the numbers, or read the step-by-step math.
Formula: $100 × 0.70 = $70 discount. Then $100 − $70 = $30 sale price.
70% off $100 is a discount of $70, so the final sale price is $30.
You save exactly $70. Your out-the-door price (before tax) drops from $100 to $30.
The sale price is $30. Math check: $100 − ($100 × 70/100) = $30.