24.77% is the change from 666 to 831
Calculation steps:
[( 831 - 666 ) ÷ 666] x 100 = 24.77%
Formula
Percentage change = [(831 - 666) / 666] x 100
Subtract the new number by the original number
831 - 666 = 165
165 ÷ 666 = 0.24774774774774774
0.24774774774774774 x 100 = 24.77%