-31.35% is the change from 906 to 622
Calculation steps:
[( 622 - 906 ) ÷ 906] x 100 = -31.35%
Formula
Percentage change = [(622 - 906) / 906] x 100
Subtract the new number by the original number
622 - 906 = -284
-284 ÷ 906 = -0.31346578366445915
-0.31346578366445915 x 100 = -31.35%