450.5% is the change from 101 to 556
Calculation steps:
[( 556 - 101 ) ÷ 101] x 100 = 450.5%
Formula
Percentage change = [(556 - 101) / 101] x 100
Subtract the new number by the original number
556 - 101 = 455
455 ÷ 101 = 4.5049504950495045
4.5049504950495045 x 100 = 450.5%