-10.29% is the change from 136 to 122
Calculation steps:
[( 122 - 136 ) ÷ 136] x 100 = -10.29%
Formula
Percentage change = [(122 - 136) / 136] x 100
Subtract the new number by the original number
122 - 136 = -14
-14 ÷ 136 = -0.10294117647058823
-0.10294117647058823 x 100 = -10.29%