423.39% is the change from 124 to 649
Calculation steps:
[( 649 - 124 ) ÷ 124] x 100 = 423.39%
Formula
Percentage change = [(649 - 124) / 124] x 100
Subtract the new number by the original number
649 - 124 = 525
525 ÷ 124 = 4.233870967741935
4.233870967741935 x 100 = 423.39%