612.5% is the change from 24 to 171
Calculation steps:
[( 171 - 24 ) ÷ 24] x 100 = 612.5%
Formula
Percentage change = [(171 - 24) / 24] x 100
Subtract the new number by the original number
171 - 24 = 147
147 ÷ 24 = 6.125
6.125 x 100 = 612.5%
Example