30.64% is the change from 656 to 857
Calculation steps:
[( 857 - 656 ) ÷ 656] x 100 = 30.64%
Formula
Percentage change = [(857 - 656) / 656] x 100
Subtract the new number by the original number
857 - 656 = 201
201 ÷ 656 = 0.30640243902439024
0.30640243902439024 x 100 = 30.64%