-86.69% is the change from 962 to 128
Calculation steps:
[( 128 - 962 ) ÷ 962] x 100 = -86.69%
Formula
Percentage change = [(128 - 962) / 962] x 100
Subtract the new number by the original number
128 - 962 = -834
-834 ÷ 962 = -0.8669438669438669
-0.8669438669438669 x 100 = -86.69%