518.7% is the change from 123 to 761
Calculation steps:
[( 761 - 123 ) ÷ 123] x 100 = 518.7%
Formula
Percentage change = [(761 - 123) / 123] x 100
Subtract the new number by the original number
761 - 123 = 638
638 ÷ 123 = 5.186991869918699
5.186991869918699 x 100 = 518.7%