18.58% is the change from 409 to 485
Calculation steps:
[( 485 - 409 ) ÷ 409] x 100 = 18.58%
Formula
Percentage change = [(485 - 409) / 409] x 100
Subtract the new number by the original number
485 - 409 = 76
76 ÷ 409 = 0.18581907090464547
0.18581907090464547 x 100 = 18.58%