38.65% is the change from 621 to 861
Calculation steps:
[( 861 - 621 ) ÷ 621] x 100 = 38.65%
Formula
Percentage change = [(861 - 621) / 621] x 100
Subtract the new number by the original number
861 - 621 = 240
240 ÷ 621 = 0.3864734299516908
0.3864734299516908 x 100 = 38.65%