-86.31% is the change from 935 to 128
Calculation steps:
[( 128 - 935 ) ÷ 935] x 100 = -86.31%
Formula
Percentage change = [(128 - 935) / 935] x 100
Subtract the new number by the original number
128 - 935 = -807
-807 ÷ 935 = -0.8631016042780749
-0.8631016042780749 x 100 = -86.31%