7.86% is the change from 814 to 878
Calculation steps:
[( 878 - 814 ) ÷ 814] x 100 = 7.86%
Formula
Percentage change = [(878 - 814) / 814] x 100
Subtract the new number by the original number
878 - 814 = 64
64 ÷ 814 = 0.07862407862407862
0.07862407862407862 x 100 = 7.86%