78.73% is the change from 409 to 731
Calculation steps:
[( 731 - 409 ) ÷ 409] x 100 = 78.73%
Formula
Percentage change = [(731 - 409) / 409] x 100
Subtract the new number by the original number
731 - 409 = 322
322 ÷ 409 = 0.7872860635696821
0.7872860635696821 x 100 = 78.73%