-20.74% is the change from 622 to 493
Calculation steps:
[( 493 - 622 ) ÷ 622] x 100 = -20.74%
Formula
Percentage change = [(493 - 622) / 622] x 100
Subtract the new number by the original number
493 - 622 = -129
-129 ÷ 622 = -0.20739549839228297
-0.20739549839228297 x 100 = -20.74%