-82.67% is the change from 981 to 170
Calculation steps:
[( 170 - 981 ) ÷ 981] x 100 = -82.67%
Formula
Percentage change = [(170 - 981) / 981] x 100
Subtract the new number by the original number
170 - 981 = -811
-811 ÷ 981 = -0.8267074413863404
-0.8267074413863404 x 100 = -82.67%