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
Cagliari 3 Empoli 2 +0.6
Internazionale 1 Sassuolo 2 -0.2
Crotone 1 Udinese 0 +0.1
Bologna 3 Pescara 1 -0.1
Sampdoria 1 Chievo 1 +0.0
Week of 5/21100.0*Average seed
Sassuolo 6 Cagliari 2 -1.0
Chievo 3 Roma 5 +0.1
Milan 3 Bologna 0 +0.1
Udinese 1 Sampdoria 1 +0.0
If winner is:HomeDrawAway
Week of 5/28100.0*Average seed
Cagliari vs Milan+1.1-0.2-0.3
Atalanta vs Chievo+0.1+0.1-0.7
Bologna vs Juventus-0.5+0.0+0.0
Internazionale vs Udinese+0.0+0.0-0.1
Torino vs Sassuolo+0.1-0.1-0.1

What If

Chances based on how well the Cagliari finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleUEFA CL1234567891011121314151617181920Serie BCount
471-0-0NoNo285714No2,292,187,201
450-1-0NoNo08317No3,853,766,623
440-0-1NoNo76221No5,902,847,776
Total:NoNo51167161No12,048,801,600
Points
Chance Will Win Championship