36.23% is the change from 610 to 831
Calculation steps:
[( 831 - 610 ) ÷ 610] x 100 = 36.23%
Formula
Percentage change = [(831 - 610) / 610] x 100
Subtract the new number by the original number
831 - 610 = 221
221 ÷ 610 = 0.3622950819672131
0.3622950819672131 x 100 = 36.23%