501.94% is the change from 103 to 620
Calculation steps:
[( 620 - 103 ) ÷ 103] x 100 = 501.94%
Formula
Percentage change = [(620 - 103) / 103] x 100
Subtract the new number by the original number
620 - 103 = 517
517 ÷ 103 = 5.019417475728155
5.019417475728155 x 100 = 501.94%