13.24% is the change from 136 to 154
Calculation steps:
[( 154 - 136 ) ÷ 136] x 100 = 13.24%
Formula
Percentage change = [(154 - 136) / 136] x 100
Subtract the new number by the original number
154 - 136 = 18
18 ÷ 136 = 0.1323529411764706
0.1323529411764706 x 100 = 13.24%