What is 3% of 400?

3% of 400 = 12

How to work it out

1. Convert the percentage to a decimal: 3 ÷ 100 = 0.03
2. Multiply by the number: 0.03 × 400 = 12

400 increased by 3% is 412; decreased by 3% it is 388 (useful for discounts).

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