38.28% is the change from 478 to 661
Calculation steps:
[( 661 - 478 ) ÷ 478] x 100 = 38.28%
Formula
Percentage change = [(661 - 478) / 478] x 100
Subtract the new number by the original number
661 - 478 = 183
183 ÷ 478 = 0.38284518828451886
0.38284518828451886 x 100 = 38.28%