-91.75% is the change from 982 to 81
Calculation steps:
[( 81 - 982 ) ÷ 982] x 100 = -91.75%
Formula
Percentage change = [(81 - 982) / 982] x 100
Subtract the new number by the original number
81 - 982 = -901
-901 ÷ 982 = -0.9175152749490835
-0.9175152749490835 x 100 = -91.75%