Percentage Increase and Decrease (VCE SSCE General Mathematics): Flashcards

Original quantity/value

A % decrease applied to prices

$\frac{\text{change}}{\text{original}} \times 100$

115% or 1.15

80% or 0.80

Original amount

100% + increase %, convert to decimal, multiply by original

100% - decrease %, convert to decimal, multiply by original

More than 100% of original

Less than 100% of original