0.86% is the change from 816 to 823
Calculation steps:
[( 823 - 816 ) ÷ 816] x 100 = 0.86%
Formula
Percentage change = [(823 - 816) / 816] x 100
Subtract the new number by the original number
823 - 816 = 7
7 ÷ 816 = 0.00857843137254902
0.00857843137254902 x 100 = 0.86%