How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Average seed
Sport Recife 0 Fluminense 3 -0.1
Corinthians 2 Nautico 3 -0.1
Santo Andre 4 Avai 2 -0.1
Week of 11/29None
Week of 12/5None
Chance Will Win Championship