309.09% is the change from 110 to 450
Calculation steps:
[( 450 - 110 ) ÷ 110] x 100 = 309.09%
Formula
Percentage change = [(450 - 110) / 110] x 100
Subtract the new number by the original number
450 - 110 = 340
340 ÷ 110 = 3.090909090909091
3.090909090909091 x 100 = 309.09%