350.71% is the change from 140 to 631
Calculation steps:
[( 631 - 140 ) ÷ 140] x 100 = 350.71%
Formula
Percentage change = [(631 - 140) / 140] x 100
Subtract the new number by the original number
631 - 140 = 491
491 ÷ 140 = 3.507142857142857
3.507142857142857 x 100 = 350.71%