How are these numbers calculated?

Big Games

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

Week of 3/8100.0*Average seed
Corinthians 2 Sao Paulo 3 +0.1
Audax Osasco 2 Penapolense 0 +0.1
Week of 3/15None
Week of 3/23None
Points
Chance Will Make Playoffs