What is 9% of 800?

9% of 800 = 72

How to work it out

1. Convert the percentage to a decimal: 9 ÷ 100 = 0.09
2. Multiply by the number: 0.09 × 800 = 72

800 increased by 9% is 872; decreased by 9% it is 728 (useful for discounts).

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