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*UEFA CL100.0*Average seed
Fiorentina 3 Lazio 2 No
-0.1
Torino 0 Napoli 5 -0.3
Roma 3 Juventus 1 -0.1
Week of 5/21100.0*UEFA CL100.0*Average seed
Lazio 1 Internazionale 3 -0.1
Empoli 0 Atalanta 1 -0.0
If winner is:HomeDrawAway
Week of 5/28100.0*UEFA CL100.0*Average seed
Crotone vs Lazio-0.3-0.3+0.2
Atalanta vs Chievo-0.2+0.2+0.2

What If

Chances based on how well Lazio finishes out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleUEFA CL1234567891011121314151617181920Serie BCount
731-0-0NoNo100No17,242,972,500
710-1-0NoNo4951No9,860,455,711
700-0-1NoNo4951No3,725,664,269
Total:NoNo7822No30,829,092,480
Points
Chance Will Win Championship