8.97% is the change from 624 to 680
Calculation steps:
[( 680 - 624 ) ÷ 624] x 100 = 8.97%
Formula
Percentage change = [(680 - 624) / 624] x 100
Subtract the new number by the original number
680 - 624 = 56
56 ÷ 624 = 0.08974358974358974
0.08974358974358974 x 100 = 8.97%