-13.24% is the change from 136 to 118
Calculation steps:
[( 118 - 136 ) ÷ 136] x 100 = -13.24%
Formula
Percentage change = [(118 - 136) / 136] x 100
Subtract the new number by the original number
118 - 136 = -18
-18 ÷ 136 = -0.1323529411764706
-0.1323529411764706 x 100 = -13.24%