10.47% is the change from 621 to 686
Calculation steps:
[( 686 - 621 ) ÷ 621] x 100 = 10.47%
Formula
Percentage change = [(686 - 621) / 621] x 100
Subtract the new number by the original number
686 - 621 = 65
65 ÷ 621 = 0.10466988727858294
0.10466988727858294 x 100 = 10.47%