880% is the change from 15 to 147
Calculation steps:
[( 147 - 15 ) ÷ 15] x 100 = 880%
Formula
Percentage change = [(147 - 15) / 15] x 100
Subtract the new number by the original number
147 - 15 = 132
132 ÷ 15 = 8.8
8.8 x 100 = 880%
Example