Percentage Change & Growth
Percentage change = \(\dfrac{\text{change}}{\text{original}} \times 100\%\)
Example
Increase 50 by 10%:
new = 50 × 1.10 = 55.
Decrease 80 by 25%:
new = 80 × 0.75 = 60.
Practice
Increase $60 by 5%.
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