8.15% is the change from 577 to 624
Calculation steps:
[( 624 - 577 ) ÷ 577] x 100 = 8.15%
Formula
Percentage change = [(624 - 577) / 577] x 100
Subtract the new number by the original number
624 - 577 = 47
47 ÷ 577 = 0.08145580589254767
0.08145580589254767 x 100 = 8.15%