39.15% is the change from 585 to 814
Calculation steps:
[( 814 - 585 ) ÷ 585] x 100 = 39.15%
Formula
Percentage change = [(814 - 585) / 585] x 100
Subtract the new number by the original number
814 - 585 = 229
229 ÷ 585 = 0.39145299145299145
0.39145299145299145 x 100 = 39.15%