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
Vila Nova 2 Paysandu 1 -27.7
+1.6
CRB 3 Ituano 4 -3.3
+0.1
Sao Raimundo-AM 3 Santo Andre 2 +3.1
-0.2
Guarani 1 America-RN 2 -2.4
+0.1
Portuguesa 2 Ceara 4 -1.1
Avai 1 Nautico 1 *+0.1
Week of 11/18100.0*Serie C100.0*Average seed
Portuguesa 2 Vila Nova 0 +23.8
-1.1
Paulista 9 Paysandu 0 -4.8
+0.2
Remo 3 Sao Raimundo-AM 0 -4.5
-0.1
Guarani 2 Sport Recife 0 +3.9
-0.1
Avai 1 CRB 2 +3.1
Ceara 0 Atletico-MG 1 -0.1
+0.2
Week of 11/25100.0*Serie C100.0*Average seed
Vila Nova 1 Guarani 5 +48.8
-1.8
Paysandu 4 Marilia 1 +9.1
-0.3
CRB 2 Remo 1 +9.1
-0.3
Sao Raimundo-AM 2 Gama 0 +9.1
-0.4
Sport Recife 2 Portuguesa 3 +9.1
-0.3
Ituano 4 Ceara 1 +0.2

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Points
Chance Will Win Championship