-20.67% is the change from 624 to 495
Calculation steps:
[( 495 - 624 ) ÷ 624] x 100 = -20.67%
Formula
Percentage change = [(495 - 624) / 624] x 100
Subtract the new number by the original number
495 - 624 = -129
-129 ÷ 624 = -0.20673076923076922
-0.20673076923076922 x 100 = -20.67%