86.76% is the change from 136 to 254
Calculation steps:
[( 254 - 136 ) ÷ 136] x 100 = 86.76%
Formula
Percentage change = [(254 - 136) / 136] x 100
Subtract the new number by the original number
254 - 136 = 118
118 ÷ 136 = 0.8676470588235294
0.8676470588235294 x 100 = 86.76%