33.04% is the change from 336 to 447
Calculation steps:
[( 447 - 336 ) ÷ 336] x 100 = 33.04%
Formula
Percentage change = [(447 - 336) / 336] x 100
Subtract the new number by the original number
447 - 336 = 111
111 ÷ 336 = 0.33035714285714285
0.33035714285714285 x 100 = 33.04%