How are these numbers calculated?

Big Games

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

Week of 11/20100.0*Libertadores100.0*Serie B100.0*Average seed
Bahia 0 Cuiaba 0 -0.3
+4.4
-0.3
Bahia 3 Gremio 1 +0.1
-20.9
+0.9
Internacional 1 Flamengo 2 +0.1
Atletico-GO 1 Ceara 1 -0.1
+0.0
Sao Paulo 0 Athletico-PR 0 +0.1
Corinthians 2 Santos 0 -1.0
+0.1
Santos 2 Fortaleza 0 +2.0
-0.1
Atletico-MG 2 Juventude 0 -2.1
+0.1
Chapecoense 1 Gremio 3 +1.0
-0.1
Atletico-GO 1 Juventude 1 -0.5
Gremio 2 Flamengo 2 -0.1
Week of 11/27100.0*Libertadores100.0*Serie B100.0*Average seed
Atletico-GO 2 Bahia 1 -0.3
+20.2
-0.9
Internacional 1 Santos 1 +0.1
+0.1
+0.0
Corinthians 1 Athletico-PR 0 -1.1
+0.1
Sao Paulo 2 Sport Recife 0 +1.3
-0.1
America-MG 3 Chapecoense 0 No
Juventude 1 Bragantino 0 +12.6
-0.2
Bahia 2 Atletico-MG 3 +11.3
-0.4
Fortaleza 1 Juventude 0 -3.7
+0.1
Cuiaba 1 Palmeiras 3 -1.4
+0.1
Athletico-PR 1 Cuiaba 0 -1.3
Chapecoense 0 Atletico-GO 1 +0.4
-0.0
Gremio 3 Sao Paulo 0 +0.2
-0.1
Week of 12/5100.0*Libertadores100.0*Serie B100.0*Average seed
Juventude 1 Corinthians 0 +34.7
-0.4
Bahia 2 Fluminense 0 -30.2
+0.8
Fortaleza 2 Bahia 1 +25.4
-0.4
Gremio 4 Atletico-MG 3 +17.9
-0.4
Sao Paulo 3 Juventude 1 -13.9
+0.2
Cuiaba 1 Fortaleza 0 +12.6
-0.3
Flamengo 0 Santos 1 +0.3
-0.1
Corinthians 1 Gremio 1 -0.2
-0.0
Athletico-PR 0 Palmeiras 0 +0.1
Santos 1 Cuiaba 1 -0.1
Points
Chance Will Win Championship