How are these numbers calculated?

Big Games

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

Week of 11/13100.0*Serie C100.0*Average seed
Vila Nova 2 Fortaleza 1 +7.3
-0.3
Ponte Preta 1 Bahia 3 +3.9
-0.1
Ipatinga 1 Atletico-GO 0 +2.6
-0.1
Vasco da Gama 2 America-RN 1 -1.0
+0.0
Sao Caetano 0 Juventude 0 +0.7
Parana 3 Campinense 0 +0.1
ABC 6 Brasiliense 2 -0.1
Week of 11/21100.0*Serie C100.0*Average seed
Fortaleza 1 Sao Caetano 2 -0.2
Campinense 3 ABC 1 +0.1
Week of 11/27100.0*Serie C100.0*Average seed
ABC 0 Bragantino 1 +0.2
Portuguesa 1 Campinense 1 -0.2
Parana 1 Fortaleza 1 -0.0
Points
Chance Will Win Championship