6.94% is the change from 447 to 478
Calculation steps:
[( 478 - 447 ) ÷ 447] x 100 = 6.94%
Formula
Percentage change = [(478 - 447) / 447] x 100
Subtract the new number by the original number
478 - 447 = 31
31 ÷ 447 = 0.06935123042505593
0.06935123042505593 x 100 = 6.94%