How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Chance wins title100.0*Average seed
Boa Esporte 1 Joinville 0 -13.8
Ponte Preta 2 América-RN 2 +5.3
Ceará 2 Vasco da Gama 0 +0.1
Week of 11/21100.0*Chance wins title100.0*Average seed
Ponte Preta 0 América-MG 1 +17.2
Joinville 1 Luverdense 1 -6.1
If winner is:HomeDrawAway
Week of 11/29100.0*Chance wins title100.0*Average seed
Náutico vs Ponte PretaYesYes-23.1
Oeste vs Joinville-23.1YesYes

What If

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

If finish:ChanceSérieChance will finish season at seedSérie
TPW-D-Lwins titleA1234567891011121314151617181920CCount

* Row combines multiple less frequent records.

Points  (Full Screen)
Chance Will Win Championship  (Full Screen)