-20.42% is the change from 622 to 495
Calculation steps:
[( 495 - 622 ) ÷ 622] x 100 = -20.42%
Formula
Percentage change = [(495 - 622) / 622] x 100
Subtract the new number by the original number
495 - 622 = -127
-127 ÷ 622 = -0.20418006430868169
-0.20418006430868169 x 100 = -20.42%