How are these numbers calculated?

Big Games

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

Week of 5/11100.0*Relegated100.0*Average seed
Reggina Calcio 2 Empoli 0 -17.0
+0.9
Juventus 1 Calcio Catania 1 +3.8
-0.1
Fiorentina 3 Parma 1 -1.7
+0.1
Udinese 0 Cagliari Calcio 2 +0.3
-0.2
Livorno 0 Torino 1 -0.1
-0.2
Week of 5/17100.0*Relegated100.0*Average seed
Cagliari Calcio 2 Reggina Calcio 2 -0.2
Calcio Catania 1 AS Roma 1 +0.2
Torino 0 Fiorentina 1 +0.1
Points
Chance Will Win Championship