-36.69% is the change from 139 to 88
Calculation steps:
[( 88 - 139 ) ÷ 139] x 100 = -36.69%
Formula
Percentage change = [(88 - 139) / 139] x 100
Subtract the new number by the original number
88 - 139 = -51
-51 ÷ 139 = -0.3669064748201439
-0.3669064748201439 x 100 = -36.69%