-13.48% is the change from 979 to 847
Calculation steps:
[( 847 - 979 ) ÷ 979] x 100 = -13.48%
Formula
Percentage change = [(847 - 979) / 979] x 100
Subtract the new number by the original number
847 - 979 = -132
-132 ÷ 979 = -0.1348314606741573
-0.1348314606741573 x 100 = -13.48%