48.84% is the change from 301 to 448
Calculation steps:
[( 448 - 301 ) ÷ 301] x 100 = 48.84%
Formula
Percentage change = [(448 - 301) / 301] x 100
Subtract the new number by the original number
448 - 301 = 147
147 ÷ 301 = 0.4883720930232558
0.4883720930232558 x 100 = 48.84%