73.35% is the change from 409 to 709
Calculation steps:
[( 709 - 409 ) ÷ 409] x 100 = 73.35%
Formula
Percentage change = [(709 - 409) / 409] x 100
Subtract the new number by the original number
709 - 409 = 300
300 ÷ 409 = 0.7334963325183375
0.7334963325183375 x 100 = 73.35%