-18.17% is the change from 622 to 509
Calculation steps:
[( 509 - 622 ) ÷ 622] x 100 = -18.17%
Formula
Percentage change = [(509 - 622) / 622] x 100
Subtract the new number by the original number
509 - 622 = -113
-113 ÷ 622 = -0.18167202572347266
-0.18167202572347266 x 100 = -18.17%