4.39% is the change from 866 to 904
Calculation steps:
[( 904 - 866 ) ÷ 866] x 100 = 4.39%
Formula
Percentage change = [(904 - 866) / 866] x 100
Subtract the new number by the original number
904 - 866 = 38
38 ÷ 866 = 0.04387990762124711
0.04387990762124711 x 100 = 4.39%