3.19% is the change from 815 to 841
Calculation steps:
[( 841 - 815 ) ÷ 815] x 100 = 3.19%
Formula
Percentage change = [(841 - 815) / 815] x 100
Subtract the new number by the original number
841 - 815 = 26
26 ÷ 815 = 0.03190184049079755
0.03190184049079755 x 100 = 3.19%