9.62% is the change from 624 to 684
Calculation steps:
[( 684 - 624 ) ÷ 624] x 100 = 9.62%
Formula
Percentage change = [(684 - 624) / 624] x 100
Subtract the new number by the original number
684 - 624 = 60
60 ÷ 624 = 0.09615384615384616
0.09615384615384616 x 100 = 9.62%