1612.5% is the change from 8 to 137
Calculation steps:
[( 137 - 8 ) ÷ 8] x 100 = 1612.5%
Formula
Percentage change = [(137 - 8) / 8] x 100
Subtract the new number by the original number
137 - 8 = 129
129 ÷ 8 = 16.125
16.125 x 100 = 1612.5%
Example