-12.69% is the change from 134 to 117
Calculation steps:
[( 117 - 134 ) ÷ 134] x 100 = -12.69%
Formula
Percentage change = [(117 - 134) / 134] x 100
Subtract the new number by the original number
117 - 134 = -17
-17 ÷ 134 = -0.12686567164179105
-0.12686567164179105 x 100 = -12.69%