-11.75% is the change from 979 to 864
Calculation steps:
[( 864 - 979 ) ÷ 979] x 100 = -11.75%
Formula
Percentage change = [(864 - 979) / 979] x 100
Subtract the new number by the original number
864 - 979 = -115
-115 ÷ 979 = -0.11746680286006128
-0.11746680286006128 x 100 = -11.75%