6.86% is the change from 816 to 872
Calculation steps:
[( 872 - 816 ) ÷ 816] x 100 = 6.86%
Formula
Percentage change = [(872 - 816) / 816] x 100
Subtract the new number by the original number
872 - 816 = 56
56 ÷ 816 = 0.06862745098039216
0.06862745098039216 x 100 = 6.86%