91.91% is the change from 136 to 261
Calculation steps:
[( 261 - 136 ) ÷ 136] x 100 = 91.91%
Formula
Percentage change = [(261 - 136) / 136] x 100
Subtract the new number by the original number
261 - 136 = 125
125 ÷ 136 = 0.9191176470588235
0.9191176470588235 x 100 = 91.91%