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
Santos 1 Parana 2 -27.7
+1.3
America-MG 2 Atletico-PR 1 +5.0
-0.2
Goias 2 Juventude 2 -1.5
+0.0
Bragantino 1 Juventude 0 -1.0
-0.1
Ponte Preta 2 Bragantino 2 -0.9
+0.1
Gremio 2 America-RN 1 -0.2
+0.1
Sao Paulo 1 Corinthians 2 -0.1
Week of 10/31100.0*Serie B100.0*Average seed
Palmeiras 3 Parana 2 +14.8
-0.7
America-RN 0 Ponte Preta 1 +4.5
-0.2
Flamengo 2 America-MG 0 -4.1
+0.1
Santos 3 Goias 1 -2.6
+0.2
Portuguesa 3 Bragantino 1 -1.3
+0.1
Guarani 1 Gremio 3 -0.3
+0.0
Internacional 0 Botafogo 0 +0.2
-0.0
Week of 11/7100.0*Serie B100.0*Average seed
Parana 2 Flamengo 1 -57.9
+1.1
America-MG 1 Palmeiras 1 -2.4
Bragantino 0 Vitoria 0 -1.0
+0.2
Goias 2 Vasco da Gama 2 -0.9
-0.2
Sao Paulo 2 Atletico-PR 0 +0.2
Points
Chance Will Make Playoffs