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*Chance wins title100.0*UEFA CL100.0*Average seed
Roma 3 Juventus 1 +0.3
-0.2
Torino 0 Napoli 5 +0.3
Yes
+0.2
Fiorentina 3 Lazio 2 Yes
Week of 5/21100.0*Chance wins title100.0*UEFA CL100.0*Average seed
Juventus 3 Crotone 0 No
-0.0
Napoli 4 Fiorentina 1 +2.3
+0.3
Chievo 3 Roma 5 -0.3
-0.2
Week of 5/28100.0*Chance wins title100.0*UEFA CL100.0*Average seed
Sampdoria 2 Napoli 4 +0.4
Roma 3 Genoa 2 -0.2
Points
Chance Will Win Championship