2.52% is the change from 795 to 815
Calculation steps:
[( 815 - 795 ) ÷ 795] x 100 = 2.52%
Formula
Percentage change = [(815 - 795) / 795] x 100
Subtract the new number by the original number
815 - 795 = 20
20 ÷ 795 = 0.025157232704402517
0.025157232704402517 x 100 = 2.52%