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*Average seed
Roma 3 Juventus 1 -3.9
Week of 5/21100.0*Chance wins title100.0*Average seed
Juventus 3 Crotone 0 Yes
Chievo 3 Roma 5 -4.0
Week of 5/28None

What If

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

If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleUEFA CL1234567891011121314151617181920Serie BCount

* Row combines multiple less frequent records.

Chance Will Win Championship