Percentage/Examples/b - a Per Cent
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Example of Percentage
A change in a quantity from $a$ to $b$ can be expressed as a percentage as:
- $\dfrac {100 \paren {b - a} } a \%$
Sources
- 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): percent
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): percent