36.55% is the change from 446 to 609
Calculation steps:
[( 609 - 446 ) ÷ 446] x 100 = 36.55%
Formula
Percentage change = [(609 - 446) / 446] x 100
Subtract the new number by the original number
609 - 446 = 163
163 ÷ 446 = 0.3654708520179372
0.3654708520179372 x 100 = 36.55%