335.71% is the change from 140 to 610
Calculation steps:
[( 610 - 140 ) ÷ 140] x 100 = 335.71%
Formula
Percentage change = [(610 - 140) / 140] x 100
Subtract the new number by the original number
610 - 140 = 470
470 ÷ 140 = 3.357142857142857
3.357142857142857 x 100 = 335.71%