1.35% is the change from 812 to 823
Calculation steps:
[( 823 - 812 ) ÷ 812] x 100 = 1.35%
Formula
Percentage change = [(823 - 812) / 812] x 100
Subtract the new number by the original number
823 - 812 = 11
11 ÷ 812 = 0.013546798029556651
0.013546798029556651 x 100 = 1.35%