502.91% is the change from 103 to 621
Calculation steps:
[( 621 - 103 ) ÷ 103] x 100 = 502.91%
Formula
Percentage change = [(621 - 103) / 103] x 100
Subtract the new number by the original number
621 - 103 = 518
518 ÷ 103 = 5.029126213592233
5.029126213592233 x 100 = 502.91%