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*Serie A100.0*Average seed
Chapecoense 1 Bragantino 1 No
Palmeiras 3 Boa Esporte 0 No
Week of 11/22None
Week of 11/29None
Chance Will Win Championship