-86.28% is the change from 940 to 129
Calculation steps:
[( 129 - 940 ) ÷ 940] x 100 = -86.28%
Formula
Percentage change = [(129 - 940) / 940] x 100
Subtract the new number by the original number
129 - 940 = -811
-811 ÷ 940 = -0.8627659574468085
-0.8627659574468085 x 100 = -86.28%