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*Average seed
Atletico-MG 3 Coritiba 0 +17.4
+1.4
Flamengo 3 Corinthians 0 -3.2
-0.1
Sport Recife 1 Bahia 0 +2.6
+0.1
Atletico-PR 3 Vasco da Gama 1 +2.2
-0.1
Sao Paulo 0 Botafogo 0 +1.5
+0.1
Atletico-GO 1 Chapecoense 1 +1.0
+0.0
Week of 11/25100.0*Libertadores100.0*Average seed
Palmeiras 2 Botafogo 0 +3.1
+0.1
Fluminense 1 Sport Recife 2 +0.1
+0.1
Week of 12/3100.0*Libertadores100.0*Average seed
Atletico-MG 4 Gremio 3 +49.6
+2.0
Vasco da Gama 2 Ponte Preta 1 -7.6
-0.2
Chapecoense 2 Coritiba 1 -7.6
-0.3
Botafogo 2 Cruzeiro 2 +4.7
+0.1
Vitoria 1 Flamengo 2 -4.6
-0.2
Sao Paulo 1 Bahia 1 +0.5
Atletico-PR 3 Palmeiras 0 -0.2
Points
Chance Will Win Championship