-86.97% is the change from 982 to 128
Calculation steps:
[( 128 - 982 ) ÷ 982] x 100 = -86.97%
Formula
Percentage change = [(128 - 982) / 982] x 100
Subtract the new number by the original number
128 - 982 = -854
-854 ÷ 982 = -0.869653767820774
-0.869653767820774 x 100 = -86.97%