-20.9% is the change from 622 to 492
Calculation steps:
[( 492 - 622 ) ÷ 622] x 100 = -20.9%
Formula
Percentage change = [(492 - 622) / 622] x 100
Subtract the new number by the original number
492 - 622 = -130
-130 ÷ 622 = -0.2090032154340836
-0.2090032154340836 x 100 = -20.9%