35.82% is the change from 631 to 857
Calculation steps:
[( 857 - 631 ) ÷ 631] x 100 = 35.82%
Formula
Percentage change = [(857 - 631) / 631] x 100
Subtract the new number by the original number
857 - 631 = 226
226 ÷ 631 = 0.358161648177496
0.358161648177496 x 100 = 35.82%