20.54% is the change from 409 to 493
Calculation steps:
[( 493 - 409 ) ÷ 409] x 100 = 20.54%
Formula
Percentage change = [(493 - 409) / 409] x 100
Subtract the new number by the original number
493 - 409 = 84
84 ÷ 409 = 0.20537897310513448
0.20537897310513448 x 100 = 20.54%