39.54% is the change from 478 to 667
Calculation steps:
[( 667 - 478 ) ÷ 478] x 100 = 39.54%
Formula
Percentage change = [(667 - 478) / 478] x 100
Subtract the new number by the original number
667 - 478 = 189
189 ÷ 478 = 0.39539748953974896
0.39539748953974896 x 100 = 39.54%