420.56% is the change from 107 to 557
Calculation steps:
[( 557 - 107 ) ÷ 107] x 100 = 420.56%
Formula
Percentage change = [(557 - 107) / 107] x 100
Subtract the new number by the original number
557 - 107 = 450
450 ÷ 107 = 4.205607476635514
4.205607476635514 x 100 = 420.56%