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 A100.0*Average seed
Ipatinga 1 Atletico-GO 0 -7.6
-0.4
Figueirense 2 Bragantino 1 -6.7
-0.1
Portuguesa 1 Duque de Caxias 1 +2.6
+0.0
Ceara 2 Guarani 2 -0.3
+0.0
Week of 11/21100.0*Serie A100.0*Average seed
Juventude 1 Atletico-GO 3 +23.0
+0.6
Figueirense 1 Duque de Caxias 2 +12.9
+0.2
Vasco da Gama 0 Portuguesa 1 -3.1
-0.1
Ponte Preta 1 Ceara 2 -2.5
-0.2
Bahia 2 Guarani 0 +0.4
+0.1
Week of 11/27100.0*Serie A100.0*Average seed
Atletico-GO 0 Bahia 3 -0.6
Points
Chance Will Win Championship