-86.62% is the change from 957 to 128
Calculation steps:
[( 128 - 957 ) ÷ 957] x 100 = -86.62%
Formula
Percentage change = [(128 - 957) / 957] x 100
Subtract the new number by the original number
128 - 957 = -829
-829 ÷ 957 = -0.8662486938349008
-0.8662486938349008 x 100 = -86.62%