2.33% is the change from 816 to 835
Calculation steps:
[( 835 - 816 ) ÷ 816] x 100 = 2.33%
Formula
Percentage change = [(835 - 816) / 816] x 100
Subtract the new number by the original number
835 - 816 = 19
19 ÷ 816 = 0.023284313725490197
0.023284313725490197 x 100 = 2.33%