39.62% is the change from 477 to 666
Calculation steps:
[( 666 - 477 ) ÷ 477] x 100 = 39.62%
Formula
Percentage change = [(666 - 477) / 477] x 100
Subtract the new number by the original number
666 - 477 = 189
189 ÷ 477 = 0.39622641509433965
0.39622641509433965 x 100 = 39.62%