How are these numbers calculated?

Big Games

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

Week of 8/11100.0*Chance in playoffs100.0*Average seed
TheThirstyTurtles 9 Draggins 3 -38.0
-0.9
Wolfpack 2 IceHoles 3 -15.0
-0.3
Week of 8/18None
Week of 8/25None
Points
Chance Will Make Playoffs