81.91% is the change from 409 to 744
Calculation steps:
[( 744 - 409 ) ÷ 409] x 100 = 81.91%
Formula
Percentage change = [(744 - 409) / 409] x 100
Subtract the new number by the original number
744 - 409 = 335
335 ÷ 409 = 0.8190709046454768
0.8190709046454768 x 100 = 81.91%