-11.54% is the change from 979 to 866
Calculation steps:
[( 866 - 979 ) ÷ 979] x 100 = -11.54%
Formula
Percentage change = [(866 - 979) / 979] x 100
Subtract the new number by the original number
866 - 979 = -113
-113 ÷ 979 = -0.11542390194075587
-0.11542390194075587 x 100 = -11.54%