300% is the change from 112 to 448
Calculation steps:
[( 448 - 112 ) ÷ 112] x 100 = 300%
Formula
Percentage change = [(448 - 112) / 112] x 100
Subtract the new number by the original number
448 - 112 = 336
336 ÷ 112 = 3
3 x 100 = 300%
Example