How are these numbers calculated?

Big Games

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

Week of 5/24100.0*Relegated100.0*Average seed
Torino 2 Genoa 3 -20.3
+0.2
Chievo 0 Bologna 0 -8.1
+0.0
Calcio Catania 3 Napoli 1 +0.3
AC Milan 2 AS Roma 3 -0.1
Lecce 1 Fiorentina 1 *-0.1
Week of 5/31100.0*Relegated100.0*Average seed
Bologna 3 Calcio Catania 1 -15.3
+0.2
AS Roma 3 Torino 2 -13.0
+0.1
Fiorentina 0 AC Milan 2 -0.1

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

Points
Chance Will Win Championship