38.97% is the change from 621 to 863
Calculation steps:
[( 863 - 621 ) ÷ 621] x 100 = 38.97%
Formula
Percentage change = [(863 - 621) / 621] x 100
Subtract the new number by the original number
863 - 621 = 242
242 ÷ 621 = 0.3896940418679549
0.3896940418679549 x 100 = 38.97%