40.63% is the change from 475 to 668
Calculation steps:
[( 668 - 475 ) ÷ 475] x 100 = 40.63%
Formula
Percentage change = [(668 - 475) / 475] x 100
Subtract the new number by the original number
668 - 475 = 193
193 ÷ 475 = 0.4063157894736842
0.4063157894736842 x 100 = 40.63%