20.29% is the change from 409 to 492
Calculation steps:
[( 492 - 409 ) ÷ 409] x 100 = 20.29%
Formula
Percentage change = [(492 - 409) / 409] x 100
Subtract the new number by the original number
492 - 409 = 83
83 ÷ 409 = 0.20293398533007334
0.20293398533007334 x 100 = 20.29%