39.9% is the change from 579 to 810
Calculation steps:
[( 810 - 579 ) ÷ 579] x 100 = 39.9%
Formula
Percentage change = [(810 - 579) / 579] x 100
Subtract the new number by the original number
810 - 579 = 231
231 ÷ 579 = 0.39896373056994816
0.39896373056994816 x 100 = 39.9%