6% is the change from 817 to 866
Calculation steps:
[( 866 - 817 ) ÷ 817] x 100 = 6%
Formula
Percentage change = [(866 - 817) / 817] x 100
Subtract the new number by the original number
866 - 817 = 49
49 ÷ 817 = 0.05997552019583843
0.05997552019583843 x 100 = 6%