10.14% is the change from 621 to 684
Calculation steps:
[( 684 - 621 ) ÷ 621] x 100 = 10.14%
Formula
Percentage change = [(684 - 621) / 621] x 100
Subtract the new number by the original number
684 - 621 = 63
63 ÷ 621 = 0.10144927536231885
0.10144927536231885 x 100 = 10.14%