319.63% is the change from 107 to 449
Calculation steps:
[( 449 - 107 ) ÷ 107] x 100 = 319.63%
Formula
Percentage change = [(449 - 107) / 107] x 100
Subtract the new number by the original number
449 - 107 = 342
342 ÷ 107 = 3.196261682242991
3.196261682242991 x 100 = 319.63%