How are these numbers calculated?

Big Games

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

Week of 5/1100.0*Relegated100.0*Average seed
Atalanta BC 1 Bologna 1 No
Cagliari Calcio 2 Udinese 2 -0.0
-0.8
Calcio Catania 1 Juventus 1 +0.1
Bari 3 Genoa 0 -0.1
Chievo 1 Napoli 2 +0.2
Lazio 0 Inter Milan 2 +0.1
Parma 1 AS Roma 2 +0.1
AC Milan 1 Fiorentina 0 +0.0
Week of 5/9100.0*Relegated100.0*Average seed
AS Roma 2 Cagliari Calcio 1 -0.7
Livorno 1 Lazio 2 -0.2
Juventus 2 Parma 3 -0.1
Bologna 1 Calcio Catania 1 +0.1
Inter Milan 4 Chievo 3 +0.1
Udinese 3 Bari 3 +0.0
Fiorentina 1 AC Siena 1 +0.0
Week of 5/15100.0*Relegated100.0*Average seed
Cagliari Calcio 1 Bologna 1 -1.5
Chievo 0 AS Roma 2 +0.2
Calcio Catania 1 Genoa 0 -0.2
Lazio 3 Udinese 1 -0.0
Points
Chance Will Win Championship