-83.1% is the change from 982 to 166
Calculation steps:
[( 166 - 982 ) ÷ 982] x 100 = -83.1%
Formula
Percentage change = [(166 - 982) / 982] x 100
Subtract the new number by the original number
166 - 982 = -816
-816 ÷ 982 = -0.8309572301425662
-0.8309572301425662 x 100 = -83.1%