437.1% is the change from 124 to 666
Calculation steps:
[( 666 - 124 ) ÷ 124] x 100 = 437.1%
Formula
Percentage change = [(666 - 124) / 124] x 100
Subtract the new number by the original number
666 - 124 = 542
542 ÷ 124 = 4.370967741935484
4.370967741935484 x 100 = 437.1%