-95.02% is the change from 622 to 31
Calculation steps:
[( 31 - 622 ) ÷ 622] x 100 = -95.02%
Formula
Percentage change = [(31 - 622) / 622] x 100
Subtract the new number by the original number
31 - 622 = -591
-591 ÷ 622 = -0.9501607717041801
-0.9501607717041801 x 100 = -95.02%