How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Serie A100.0*Average seed
Atletico-GO 1 Bragantino 0 +10.3
+0.8
Boa Esporte 1 Joinville 0 -5.6
-0.2
ABC 1 Ceara 0 +3.8
+0.1
Sampaio Correa 3 Boa Esporte 0 +3.2
+0.1
America-MG 3 Avai 0 +2.0
Luverdense 1 America-MG 2 -1.9
-0.2
Avai 2 Portuguesa 0 -1.8
-0.1
Bragantino 2 Santa Cruz 1 +1.4
+0.1
Ceara 2 Vasco da Gama 0 -1.3
-0.2
Santa Cruz 0 Sampaio Correa 2 +0.5
+0.0
Vasco da Gama 3 Vila Nova 1 -0.4
-0.0
Oeste 2 Nautico 0 +0.0
Week of 11/21None
Week of 11/29100.0*Serie A100.0*Average seed
Atletico-GO 2 Santa Cruz 3 No
-1.5
Icasa 3 Boa Esporte 2 +18.1
+0.4
Avai 1 Vasco da Gama 0 -8.3
-0.3
America-MG 4 Sampaio Correa 0 -1.6
-0.2
Luverdense 1 Ceara 0 +0.5
+0.1
Points
Chance Will Win Championship