46.89% is the change from 305 to 448
Calculation steps:
[( 448 - 305 ) ÷ 305] x 100 = 46.89%
Formula
Percentage change = [(448 - 305) / 305] x 100
Subtract the new number by the original number
448 - 305 = 143
143 ÷ 305 = 0.46885245901639344
0.46885245901639344 x 100 = 46.89%