7.17% is the change from 446 to 478
Calculation steps:
[( 478 - 446 ) ÷ 446] x 100 = 7.17%
Formula
Percentage change = [(478 - 446) / 446] x 100
Subtract the new number by the original number
478 - 446 = 32
32 ÷ 446 = 0.07174887892376682
0.07174887892376682 x 100 = 7.17%