4.62% is the change from 866 to 906
Calculation steps:
[( 906 - 866 ) ÷ 866] x 100 = 4.62%
Formula
Percentage change = [(906 - 866) / 866] x 100
Subtract the new number by the original number
906 - 866 = 40
40 ÷ 866 = 0.046189376443418015
0.046189376443418015 x 100 = 4.62%