517.74% is the change from 124 to 766
Calculation steps:
[( 766 - 124 ) ÷ 124] x 100 = 517.74%
Formula
Percentage change = [(766 - 124) / 124] x 100
Subtract the new number by the original number
766 - 124 = 642
642 ÷ 124 = 5.17741935483871
5.17741935483871 x 100 = 517.74%