-13.79% is the change from 979 to 844
Calculation steps:
[( 844 - 979 ) ÷ 979] x 100 = -13.79%
Formula
Percentage change = [(844 - 979) / 979] x 100
Subtract the new number by the original number
844 - 979 = -135
-135 ÷ 979 = -0.13789581205311544
-0.13789581205311544 x 100 = -13.79%