How are these numbers calculated?

Big Games

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

Week of 11/11100.0*Serie C100.0*Average seed
Goias 3 Joinville 2 -0.2
-0.1
Parana 1 Criciuma 2 +0.1
-0.1
Bragantino 1 Vasco da Gama 2 No
Brasil de Pelotas 1 Oeste 1 +0.0
CRB 0 Paysandu 1 -0.1
Week of 11/18100.0*Serie C100.0*Average seed
Oeste 0 Joinville 2 +0.1
Week of 11/25None
Points
Chance Will Win Championship