-4.88% is the change from 656 to 624
Calculation steps:
[( 624 - 656 ) ÷ 656] x 100 = -4.88%
Formula
Percentage change = [(624 - 656) / 656] x 100
Subtract the new number by the original number
624 - 656 = -32
-32 ÷ 656 = -0.04878048780487805
-0.04878048780487805 x 100 = -4.88%