-39.84% is the change from 979 to 589
Calculation steps:
[( 589 - 979 ) ÷ 979] x 100 = -39.84%
Formula
Percentage change = [(589 - 979) / 979] x 100
Subtract the new number by the original number
589 - 979 = -390
-390 ÷ 979 = -0.3983656792645557
-0.3983656792645557 x 100 = -39.84%