How are these numbers calculated?

Big Games

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

Week of 9/20100.0*Chance in playoffs100.0*Average seed
Charlotte 0 Miami 0 *+0.0
+0.2
Week of 9/30None
Week of 10/3100.0*Chance in playoffs100.0*Average seed
Memphis 3 Birmingham 1 -0.4
North Carolina 0 Charlotte 1 -0.3

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Make Playoffs