9.31% is the change from 827 to 904
Calculation steps:
[( 904 - 827 ) ÷ 827] x 100 = 9.31%
Formula
Percentage change = [(904 - 827) / 827] x 100
Subtract the new number by the original number
904 - 827 = 77
77 ÷ 827 = 0.09310761789600967
0.09310761789600967 x 100 = 9.31%