-3.53% is the change from 624 to 602
Calculation steps:
[( 602 - 624 ) ÷ 624] x 100 = -3.53%
Formula
Percentage change = [(602 - 624) / 624] x 100
Subtract the new number by the original number
602 - 624 = -22
-22 ÷ 624 = -0.035256410256410256
-0.035256410256410256 x 100 = -3.53%