What is 80% off $100?

80% off $100 = $20. You save $80.

Equation: $100 − (80% × $100) = $100 − $80 = $20.

Another way to read it: you pay 20% of the original price — that's $20.

FAQ

80% off $100 equals what?

$20. The discount is $80 and the final price you pay is $20.

If something costs $100 and is 80% off, what do I pay?

You pay $20 (before tax). That's $100 minus a $80 discount.