287.9% is the change from 124 to 481
Calculation steps:
[( 481 - 124 ) ÷ 124] x 100 = 287.9%
Formula
Percentage change = [(481 - 124) / 124] x 100
Subtract the new number by the original number
481 - 124 = 357
357 ÷ 124 = 2.879032258064516
2.879032258064516 x 100 = 287.9%