-83.45% is the change from 985 to 163
Calculation steps:
[( 163 - 985 ) ÷ 985] x 100 = -83.45%
Formula
Percentage change = [(163 - 985) / 985] x 100
Subtract the new number by the original number
163 - 985 = -822
-822 ÷ 985 = -0.8345177664974619
-0.8345177664974619 x 100 = -83.45%