39.68% is the change from 436 to 609
Calculation steps:
[( 609 - 436 ) ÷ 436] x 100 = 39.68%
Formula
Percentage change = [(609 - 436) / 436] x 100
Subtract the new number by the original number
609 - 436 = 173
173 ÷ 436 = 0.3967889908256881
0.3967889908256881 x 100 = 39.68%