1.23% is the change from 812 to 822
Calculation steps:
[( 822 - 812 ) ÷ 812] x 100 = 1.23%
Formula
Percentage change = [(822 - 812) / 812] x 100
Subtract the new number by the original number
822 - 812 = 10
10 ÷ 812 = 0.012315270935960592
0.012315270935960592 x 100 = 1.23%