46.56% is the change from 305 to 447
Calculation steps:
[( 447 - 305 ) ÷ 305] x 100 = 46.56%
Formula
Percentage change = [(447 - 305) / 305] x 100
Subtract the new number by the original number
447 - 305 = 142
142 ÷ 305 = 0.46557377049180326
0.46557377049180326 x 100 = 46.56%