-83.67% is the change from 980 to 160
Calculation steps:
[( 160 - 980 ) ÷ 980] x 100 = -83.67%
Formula
Percentage change = [(160 - 980) / 980] x 100
Subtract the new number by the original number
160 - 980 = -820
-820 ÷ 980 = -0.8367346938775511
-0.8367346938775511 x 100 = -83.67%