512.5% is the change from 24 to 147
Calculation steps:
[( 147 - 24 ) ÷ 24] x 100 = 512.5%
Formula
Percentage change = [(147 - 24) / 24] x 100
Subtract the new number by the original number
147 - 24 = 123
123 ÷ 24 = 5.125
5.125 x 100 = 512.5%
Example