2.39% is the change from 796 to 815
Calculation steps:
[( 815 - 796 ) ÷ 796] x 100 = 2.39%
Formula
Percentage change = [(815 - 796) / 796] x 100
Subtract the new number by the original number
815 - 796 = 19
19 ÷ 796 = 0.02386934673366834
0.02386934673366834 x 100 = 2.39%