26.18% is the change from 657 to 829
Calculation steps:
[( 829 - 657 ) ÷ 657] x 100 = 26.18%
Formula
Percentage change = [(829 - 657) / 657] x 100
Subtract the new number by the original number
829 - 657 = 172
172 ÷ 657 = 0.2617960426179604
0.2617960426179604 x 100 = 26.18%