-95.91% is the change from 979 to 40
Calculation steps:
[( 40 - 979 ) ÷ 979] x 100 = -95.91%
Formula
Percentage change = [(40 - 979) / 979] x 100
Subtract the new number by the original number
40 - 979 = -939
-939 ÷ 979 = -0.9591419816138917
-0.9591419816138917 x 100 = -95.91%