How are these numbers calculated?

Big Games

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

Week of 11/12100.0*Serie C100.0*Average seed
CSA 0 Confianca 0 +1.6
-0.1
Vitoria 3 Cruzeiro 0 +1.1
-0.2
Brusque 1 CRB 0 +1.0
Remo 0 Goias 1 -1.0
Londrina 2 Ponte Preta 1 +0.8
-0.1
Week of 11/19100.0*Serie C100.0*Average seed
Confianca 0 Ponte Preta 1 Yes
-0.3
Vila Nova 2 Londrina 1 -1.0
Vasco da Gama 2 Remo 2 -0.6
+0.0
Week of 11/26None
Points
Chance Will Win Championship