-83.4% is the change from 982 to 163
Calculation steps:
[( 163 - 982 ) ÷ 982] x 100 = -83.4%
Formula
Percentage change = [(163 - 982) / 982] x 100
Subtract the new number by the original number
163 - 982 = -819
-819 ÷ 982 = -0.8340122199592668
-0.8340122199592668 x 100 = -83.4%