78% is the change from 409 to 728
Calculation steps:
[( 728 - 409 ) ÷ 409] x 100 = 78%
Formula
Percentage change = [(728 - 409) / 409] x 100
Subtract the new number by the original number
728 - 409 = 319
319 ÷ 409 = 0.7799511002444988
0.7799511002444988 x 100 = 78%