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Percentage

AQA GCSE Biology calculation · part of the free Calculation Climb

A percentage is a number out of 100. To find one: (part ÷ whole) × 100.

How to do it — step by step

  1. percentage = (part ÷ whole) × 100.

Worked example

18 out of 24 seeds germinate.
(18 ÷ 24) × 100 = 75%

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