301.79% is the change from 112 to 450
Calculation steps:
[( 450 - 112 ) ÷ 112] x 100 = 301.79%
Formula
Percentage change = [(450 - 112) / 112] x 100
Subtract the new number by the original number
450 - 112 = 338
338 ÷ 112 = 3.017857142857143
3.017857142857143 x 100 = 301.79%