-9.15% is the change from 153 to 139
Calculation steps:
[( 139 - 153 ) ÷ 153] x 100 = -9.15%
Formula
Percentage change = [(139 - 153) / 153] x 100
Subtract the new number by the original number
139 - 153 = -14
-14 ÷ 153 = -0.0915032679738562
-0.0915032679738562 x 100 = -9.15%