-86.82% is the change from 622 to 82
Calculation steps:
[( 82 - 622 ) ÷ 622] x 100 = -86.82%
Formula
Percentage change = [(82 - 622) / 622] x 100
Subtract the new number by the original number
82 - 622 = -540
-540 ÷ 622 = -0.8681672025723473
-0.8681672025723473 x 100 = -86.82%