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Calculation of a percentage

Calculation of a percentage

The basic concept to remember when performing calculations with percentages is that the percent symbol can be treated as being equivalent to the pure number constant 1 / 100 = 0.01 , for example 50% of 300 can be written as (50/100) × 300 = 150.

To find out percentage that a single unit represents out of a whole of X units, divide 100% by X.