26.1% is the change from 659 to 831
Calculation steps:
[( 831 - 659 ) ÷ 659] x 100 = 26.1%
Formula
Percentage change = [(831 - 659) / 659] x 100
Subtract the new number by the original number
831 - 659 = 172
172 ÷ 659 = 0.26100151745068284
0.26100151745068284 x 100 = 26.1%