-27.58% is the change from 979 to 709
Calculation steps:
[( 709 - 979 ) ÷ 979] x 100 = -27.58%
Formula
Percentage change = [(709 - 979) / 979] x 100
Subtract the new number by the original number
709 - 979 = -270
-270 ÷ 979 = -0.27579162410623087
-0.27579162410623087 x 100 = -27.58%