504.07% is the change from 123 to 743
Calculation steps:
[( 743 - 123 ) ÷ 123] x 100 = 504.07%
Formula
Percentage change = [(743 - 123) / 123] x 100
Subtract the new number by the original number
743 - 123 = 620
620 ÷ 123 = 5.040650406504065
5.040650406504065 x 100 = 504.07%