1.35% is the change from 815 to 826
Calculation steps:
[( 826 - 815 ) ÷ 815] x 100 = 1.35%
Formula
Percentage change = [(826 - 815) / 815] x 100
Subtract the new number by the original number
826 - 815 = 11
11 ÷ 815 = 0.013496932515337423
0.013496932515337423 x 100 = 1.35%