How are these numbers calculated?

Big Games

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

Week of 8/21100.0*Chance in playoffs100.0*Average seed
Berardi 8 Evan 2 -0.1
-0.2
Week of 8/28100.0*Chance in playoffs100.0*Average seed
Evan 7 Mooney 3 +0.2
Week of 9/4None
Points
Chance Will Make Playoffs