-35.69% is the change from 622 to 400
Calculation steps:
[( 400 - 622 ) ÷ 622] x 100 = -35.69%
Formula
Percentage change = [(400 - 622) / 622] x 100
Subtract the new number by the original number
400 - 622 = -222
-222 ÷ 622 = -0.35691318327974275
-0.35691318327974275 x 100 = -35.69%