1220.59% is the change from 34 to 449
Calculation steps:
[( 449 - 34 ) ÷ 34] x 100 = 1220.59%
Formula
Percentage change = [(449 - 34) / 34] x 100
Subtract the new number by the original number
449 - 34 = 415
415 ÷ 34 = 12.205882352941176
12.205882352941176 x 100 = 1220.59%