317.86% is the change from 140 to 585
Calculation steps:
[( 585 - 140 ) ÷ 140] x 100 = 317.86%
Formula
Percentage change = [(585 - 140) / 140] x 100
Subtract the new number by the original number
585 - 140 = 445
445 ÷ 140 = 3.1785714285714284
3.1785714285714284 x 100 = 317.86%