42.78% is the change from 582 to 831
Calculation steps:
[( 831 - 582 ) ÷ 582] x 100 = 42.78%
Formula
Percentage change = [(831 - 582) / 582] x 100
Subtract the new number by the original number
831 - 582 = 249
249 ÷ 582 = 0.42783505154639173
0.42783505154639173 x 100 = 42.78%