43.42% is the change from 585 to 839
Calculation steps:
[( 839 - 585 ) ÷ 585] x 100 = 43.42%
Formula
Percentage change = [(839 - 585) / 585] x 100
Subtract the new number by the original number
839 - 585 = 254
254 ÷ 585 = 0.4341880341880342
0.4341880341880342 x 100 = 43.42%