How are these numbers calculated?

Big Games

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

Week of 5/14100.0*Average seed
Crotone 1 Udinese 0 -0.5
Cagliari 3 Empoli 2 -0.2
Internazionale 1 Sassuolo 2 -0.1
Sampdoria 1 Chievo 1 +0.1
Week of 5/21100.0*Average seed
Udinese 1 Sampdoria 1 -0.3
Chievo 3 Roma 5 +0.2
Milan 3 Bologna 0 +0.1
Sassuolo 6 Cagliari 2 -0.0
Week of 5/28100.0*Average seed
Internazionale 5 Udinese 2 -0.6
Cagliari 2 Milan 1 -0.4
Atalanta 1 Chievo 0 +0.2
Sampdoria 2 Napoli 4 +0.2
Torino 5 Sassuolo 3 +0.1
Points
Chance Will Win Championship