124.26% is the change from 136 to 305
Calculation steps:
[( 305 - 136 ) ÷ 136] x 100 = 124.26%
Formula
Percentage change = [(305 - 136) / 136] x 100
Subtract the new number by the original number
305 - 136 = 169
169 ÷ 136 = 1.2426470588235294
1.2426470588235294 x 100 = 124.26%