8.7% is the change from 621 to 675
Calculation steps:
[( 675 - 621 ) ÷ 621] x 100 = 8.7%
Formula
Percentage change = [(675 - 621) / 621] x 100
Subtract the new number by the original number
675 - 621 = 54
54 ÷ 621 = 0.08695652173913043
0.08695652173913043 x 100 = 8.7%