-96.84% is the change from 981 to 31
Calculation steps:
[( 31 - 981 ) ÷ 981] x 100 = -96.84%
Formula
Percentage change = [(31 - 981) / 981] x 100
Subtract the new number by the original number
31 - 981 = -950
-950 ÷ 981 = -0.9683995922528033
-0.9683995922528033 x 100 = -96.84%