519.51% is the change from 123 to 762
Calculation steps:
[( 762 - 123 ) ÷ 123] x 100 = 519.51%
Formula
Percentage change = [(762 - 123) / 123] x 100
Subtract the new number by the original number
762 - 123 = 639
639 ÷ 123 = 5.195121951219512
5.195121951219512 x 100 = 519.51%