499.29% is the change from 140 to 839
Calculation steps:
[( 839 - 140 ) ÷ 140] x 100 = 499.29%
Formula
Percentage change = [(839 - 140) / 140] x 100
Subtract the new number by the original number
839 - 140 = 699
699 ÷ 140 = 4.992857142857143
4.992857142857143 x 100 = 499.29%