How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Libertadores100.0*Serie B100.0*Average seed
Atletico-MG 3 Coritiba 0 No
+4.3
-1.0
Flamengo 3 Corinthians 0 -0.4
Sport Recife 1 Bahia 0 +0.4
+1.1
Atletico-PR 3 Vasco da Gama 1 +0.2
-0.1
Atletico-GO 1 Chapecoense 1 +0.2
+0.0
Sao Paulo 0 Botafogo 0 +0.0
Fluminense 2 Ponte Preta 0 -2.3
-0.1
Avai 2 Palmeiras 1 +1.6
Vitoria 1 Cruzeiro 1 -0.6
+0.0
Week of 11/25100.0*Libertadores100.0*Serie B100.0*Average seed
Fluminense 1 Sport Recife 2 +5.1
+0.1
Week of 12/3100.0*Libertadores100.0*Serie B100.0*Average seed
Chapecoense 2 Coritiba 1 +28.2
-0.8
Sport Recife 1 Corinthians 0 +18.8
-0.3
Santos 1 Avai 1 -11.7
+0.2
Vitoria 1 Flamengo 2 -11.5
+0.3
Atletico-GO 1 Fluminense 1 -0.1
Points
Chance Will Win Championship