408.74% is the change from 103 to 524
Calculation steps:
[( 524 - 103 ) ÷ 103] x 100 = 408.74%
Formula
Percentage change = [(524 - 103) / 103] x 100
Subtract the new number by the original number
524 - 103 = 421
421 ÷ 103 = 4.087378640776699
4.087378640776699 x 100 = 408.74%