2.64% is the change from 794 to 815
Calculation steps:
[( 815 - 794 ) ÷ 794] x 100 = 2.64%
Formula
Percentage change = [(815 - 794) / 794] x 100
Subtract the new number by the original number
815 - 794 = 21
21 ÷ 794 = 0.02644836272040302
0.02644836272040302 x 100 = 2.64%