40.76% is the change from 579 to 815
Calculation steps:
[( 815 - 579 ) ÷ 579] x 100 = 40.76%
Formula
Percentage change = [(815 - 579) / 579] x 100
Subtract the new number by the original number
815 - 579 = 236
236 ÷ 579 = 0.4075993091537133
0.4075993091537133 x 100 = 40.76%