-6.58% is the change from 927 to 866
Calculation steps:
[( 866 - 927 ) ÷ 927] x 100 = -6.58%
Formula
Percentage change = [(866 - 927) / 927] x 100
Subtract the new number by the original number
866 - 927 = -61
-61 ÷ 927 = -0.06580366774541532
-0.06580366774541532 x 100 = -6.58%