26.48% is the change from 657 to 831
Calculation steps:
[( 831 - 657 ) ÷ 657] x 100 = 26.48%
Formula
Percentage change = [(831 - 657) / 657] x 100
Subtract the new number by the original number
831 - 657 = 174
174 ÷ 657 = 0.2648401826484018
0.2648401826484018 x 100 = 26.48%