39.36% is the change from 437 to 609
Calculation steps:
[( 609 - 437 ) ÷ 437] x 100 = 39.36%
Formula
Percentage change = [(609 - 437) / 437] x 100
Subtract the new number by the original number
609 - 437 = 172
172 ÷ 437 = 0.39359267734553777
0.39359267734553777 x 100 = 39.36%