28.21% is the change from 475 to 609
Calculation steps:
[( 609 - 475 ) ÷ 475] x 100 = 28.21%
Formula
Percentage change = [(609 - 475) / 475] x 100
Subtract the new number by the original number
609 - 475 = 134
134 ÷ 475 = 0.28210526315789475
0.28210526315789475 x 100 = 28.21%