-86.63% is the change from 965 to 129
Calculation steps:
[( 129 - 965 ) ÷ 965] x 100 = -86.63%
Formula
Percentage change = [(129 - 965) / 965] x 100
Subtract the new number by the original number
129 - 965 = -836
-836 ÷ 965 = -0.8663212435233161
-0.8663212435233161 x 100 = -86.63%