33.17% is the change from 609 to 811
Calculation steps:
[( 811 - 609 ) ÷ 609] x 100 = 33.17%
Formula
Percentage change = [(811 - 609) / 609] x 100
Subtract the new number by the original number
811 - 609 = 202
202 ÷ 609 = 0.33169129720853857
0.33169129720853857 x 100 = 33.17%