-7.19% is the change from 139 to 129
Calculation steps:
[( 129 - 139 ) ÷ 139] x 100 = -7.19%
Formula
Percentage change = [(129 - 139) / 139] x 100
Subtract the new number by the original number
129 - 139 = -10
-10 ÷ 139 = -0.07194244604316546
-0.07194244604316546 x 100 = -7.19%