1217.65% is the change from 34 to 448
Calculation steps:
[( 448 - 34 ) ÷ 34] x 100 = 1217.65%
Formula
Percentage change = [(448 - 34) / 34] x 100
Subtract the new number by the original number
448 - 34 = 414
414 ÷ 34 = 12.176470588235293
12.176470588235293 x 100 = 1217.65%