28.82% is the change from 347 to 447
Calculation steps:
[( 447 - 347 ) ÷ 347] x 100 = 28.82%
Formula
Percentage change = [(447 - 347) / 347] x 100
Subtract the new number by the original number
447 - 347 = 100
100 ÷ 347 = 0.2881844380403458
0.2881844380403458 x 100 = 28.82%