13.45% is the change from 394 to 447
Calculation steps:
[( 447 - 394 ) ÷ 394] x 100 = 13.45%
Formula
Percentage change = [(447 - 394) / 394] x 100
Subtract the new number by the original number
447 - 394 = 53
53 ÷ 394 = 0.13451776649746192
0.13451776649746192 x 100 = 13.45%