50.74% is the change from 404 to 609
Calculation steps:
[( 609 - 404 ) ÷ 404] x 100 = 50.74%
Formula
Percentage change = [(609 - 404) / 404] x 100
Subtract the new number by the original number
609 - 404 = 205
205 ÷ 404 = 0.5074257425742574
0.5074257425742574 x 100 = 50.74%