How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/25100.0*Average seed
Mutiny 2 FC Dallas 3 -0.2
Fire 2 Crew 1 -0.1
FC Dallas 3 Wizards 0 -0.1
D.C. United 2 Crew 1 -0.1
Week of 9/1100.0*Average seed
Crew 4 Revolution 1 0.1
Week of 9/8100.0*Average seed
Mutiny 1 Crew 2 0.3
Fire 2 FC Dallas 2 0.0
Points  (Full Screen)
Chance Will Make Playoffs  (Full Screen)