Percentage

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VI. Percentage-fractions conversions → The following table gives a quick look for faster conversions.

VII. Converting decimals →

a) from percentage to decimal → Simply divide the term by 100.

as 12.5% = fraction numerator 12.5 over denominator 100 end fraction space equals space 0.125

b) from decimal to percentage → Simply multiply the term by 100.

as 0.125 ⇒ 0.125 × 100 = 12.5%

or 1 over 8 space rightwards double arrow space 1 over 8 space cross times space 100 space equals space 12.5 percent sign

VIII. Some important points

a) When a value increases by

10%, it becomes 1.1 times of itself

25%, it becomes 1.25 time of itself

R% it becomes open parentheses fraction numerator 100 space plus space straight R over denominator 100 end fraction close parentheses time of itself

b) When a value decreases by

R%, it becomes open parentheses fraction numerator 100 space – space straight R over denominator 100 end fraction close parentheses times of itself

When it is decreases by 25%

it becomes open parentheses fraction numerator 100 space – space 25 over denominator 100 end fraction close parentheses time or 0.75 time of itself.

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