496.43% is the change from 140 to 835
Calculation steps:
[( 835 - 140 ) ÷ 140] x 100 = 496.43%
Formula
Percentage change = [(835 - 140) / 140] x 100
Subtract the new number by the original number
835 - 140 = 695
695 ÷ 140 = 4.964285714285714
4.964285714285714 x 100 = 496.43%