311.01% is the change from 109 to 448
Calculation steps:
[( 448 - 109 ) ÷ 109] x 100 = 311.01%
Formula
Percentage change = [(448 - 109) / 109] x 100
Subtract the new number by the original number
448 - 109 = 339
339 ÷ 109 = 3.110091743119266
3.110091743119266 x 100 = 311.01%