20.29% is the change from 621 to 747
Calculation steps:
[( 747 - 621 ) ÷ 621] x 100 = 20.29%
Formula
Percentage change = [(747 - 621) / 621] x 100
Subtract the new number by the original number
747 - 621 = 126
126 ÷ 621 = 0.2028985507246377
0.2028985507246377 x 100 = 20.29%