438.71% is the change from 124 to 668
Calculation steps:
[( 668 - 124 ) ÷ 124] x 100 = 438.71%
Formula
Percentage change = [(668 - 124) / 124] x 100
Subtract the new number by the original number
668 - 124 = 544
544 ÷ 124 = 4.387096774193548
4.387096774193548 x 100 = 438.71%