-13.47% is the change from 958 to 829
Calculation steps:
[( 829 - 958 ) ÷ 958] x 100 = -13.47%
Formula
Percentage change = [(829 - 958) / 958] x 100
Subtract the new number by the original number
829 - 958 = -129
-129 ÷ 958 = -0.13465553235908143
-0.13465553235908143 x 100 = -13.47%