48.34% is the change from 302 to 448
Calculation steps:
[( 448 - 302 ) ÷ 302] x 100 = 48.34%
Formula
Percentage change = [(448 - 302) / 302] x 100
Subtract the new number by the original number
448 - 302 = 146
146 ÷ 302 = 0.48344370860927155
0.48344370860927155 x 100 = 48.34%