23.78% is the change from 492 to 609
Calculation steps:
[( 609 - 492 ) ÷ 492] x 100 = 23.78%
Formula
Percentage change = [(609 - 492) / 492] x 100
Subtract the new number by the original number
609 - 492 = 117
117 ÷ 492 = 0.23780487804878048
0.23780487804878048 x 100 = 23.78%