449.54% is the change from 109 to 599
Calculation steps:
[( 599 - 109 ) ÷ 109] x 100 = 449.54%
Formula
Percentage change = [(599 - 109) / 109] x 100
Subtract the new number by the original number
599 - 109 = 490
490 ÷ 109 = 4.495412844036697
4.495412844036697 x 100 = 449.54%