4.72% is the change from 827 to 866
Calculation steps:
[( 866 - 827 ) ÷ 827] x 100 = 4.72%
Formula
Percentage change = [(866 - 827) / 827] x 100
Subtract the new number by the original number
866 - 827 = 39
39 ÷ 827 = 0.0471584038694075
0.0471584038694075 x 100 = 4.72%