314.29% is the change from 140 to 580
Calculation steps:
[( 580 - 140 ) ÷ 140] x 100 = 314.29%
Formula
Percentage change = [(580 - 140) / 140] x 100
Subtract the new number by the original number
580 - 140 = 440
440 ÷ 140 = 3.142857142857143
3.142857142857143 x 100 = 314.29%