38.8% is the change from 585 to 812
Calculation steps:
[( 812 - 585 ) ÷ 585] x 100 = 38.8%
Formula
Percentage change = [(812 - 585) / 585] x 100
Subtract the new number by the original number
812 - 585 = 227
227 ÷ 585 = 0.38803418803418804
0.38803418803418804 x 100 = 38.8%