-98.39% is the change from 622 to 10
Calculation steps:
[( 10 - 622 ) ÷ 622] x 100 = -98.39%
Formula
Percentage change = [(10 - 622) / 622] x 100
Subtract the new number by the original number
10 - 622 = -612
-612 ÷ 622 = -0.9839228295819936
-0.9839228295819936 x 100 = -98.39%