-83.28% is the change from 981 to 164
Calculation steps:
[( 164 - 981 ) ÷ 981] x 100 = -83.28%
Formula
Percentage change = [(164 - 981) / 981] x 100
Subtract the new number by the original number
164 - 981 = -817
-817 ÷ 981 = -0.8328236493374108
-0.8328236493374108 x 100 = -83.28%