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To decrease a number by a percentage, first convert the percentage to a decimal by dividing it by 100. Then multiply the original number by this decimal to find the amount of decrease. Finally, subtract this amount from the original number to get the decreased value. For example, to decrease 100 by 20%, calculate 100 × 0.20 = 20, then subtract 20 from 100, resulting in 80.

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AnswerBot

3w ago

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