How are these numbers calculated?

Big Games

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

Week of 10/24100.0*Serie B100.0*Average seed
America-MG 2 Atletico-PR 1 -25.9
+1.2
Santos 1 Parana 2 +4.4
-0.2
Ponte Preta 2 Bragantino 2 -2.4
+0.1
Goias 2 Juventude 2 -1.8
+0.1
Gremio 2 America-RN 1 -0.9
+0.1
Bragantino 1 Juventude 0 +0.8
Sao Paulo 1 Corinthians 2 -0.5
+0.1
America-RN 2 Santos 2 -0.3
Sport Recife 2 Botafogo 1 -0.3
Flamengo 2 Guarani 1 -0.2
Week of 10/31100.0*Serie B100.0*Average seed
Flamengo 2 America-MG 0 +24.6
-1.4
Palmeiras 3 Parana 2 -4.4
+0.2
America-RN 0 Ponte Preta 1 +4.4
-0.2
Santos 3 Goias 1 -3.4
+0.2
Portuguesa 3 Bragantino 1 -3.2
+0.2
Guarani 1 Gremio 3 -0.8
+0.2
Internacional 0 Botafogo 0 +0.4
-0.0
Week of 11/7100.0*Serie B100.0*Average seed
America-MG 1 Palmeiras 1 +22.1
-0.7
Parana 2 Flamengo 1 +14.2
-0.3
Goias 2 Vasco da Gama 2 -8.7
+0.2
Bragantino 0 Vitoria 0 -6.3
+0.2
Sport Recife 2 Guarani 1 +0.2
Sao Paulo 2 Atletico-PR 0 -0.2
Ponte Preta 0 Atletico-MG 0 -0.1
Points
Chance Will Make Playoffs