How are these numbers calculated?

Big Games

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

Week of 12/4100.0*Average seed
Guarani 2 Figueirense 1 -0.1
Santos 5 Gremio 1 -0.0
Week of 12/11None
Week of 12/19None
Points
Chance Will Win Championship