How are these numbers calculated?

Big Games

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

Week of 11/24100.0*Serie B100.0*Average seed
Figueirense 2 Nautico 0 +1.0
-0.7
Atletico-MG 4 Goias 1 No
-0.1
Corinthians 0 Vasco da Gama 1 No
-0.1
Parana 2 Santos 3 -0.5
Sport Recife 1 Cruzeiro 0 -0.2
Week of 12/2None
Points
Chance Will Win Championship