30.49% is the change from 656 to 856
Calculation steps:
[( 856 - 656 ) ÷ 656] x 100 = 30.49%
Formula
Percentage change = [(856 - 656) / 656] x 100
Subtract the new number by the original number
856 - 656 = 200
200 ÷ 656 = 0.3048780487804878
0.3048780487804878 x 100 = 30.49%