-7.81% is the change from 128 to 118
Calculation steps:
[( 118 - 128 ) ÷ 128] x 100 = -7.81%
Formula
Percentage change = [(118 - 128) / 128] x 100
Subtract the new number by the original number
118 - 128 = -10
-10 ÷ 128 = -0.078125
-0.078125 x 100 = -7.81%