48.89% is the change from 585 to 871
Calculation steps:
[( 871 - 585 ) ÷ 585] x 100 = 48.89%
Formula
Percentage change = [(871 - 585) / 585] x 100
Subtract the new number by the original number
871 - 585 = 286
286 ÷ 585 = 0.4888888888888889
0.4888888888888889 x 100 = 48.89%