42.3% is the change from 409 to 582
Calculation steps:
[( 582 - 409 ) ÷ 409] x 100 = 42.3%
Formula
Percentage change = [(582 - 409) / 409] x 100
Subtract the new number by the original number
582 - 409 = 173
173 ÷ 409 = 0.4229828850855746
0.4229828850855746 x 100 = 42.3%