How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Relegated100.0*Average seed
Internacional 0 Fluminense 2 +2.6
-0.3
Vasco da Gama 1 Sao Paulo 2 -2.0
+0.1
Palmeiras 2 Ipatinga 0 -0.2
Week of 11/30100.0*Relegated100.0*Average seed
Nautico 2 Atletico-PR 1 +8.2
-1.0
Coritiba 0 Vasco da Gama 2 +5.4
-0.1
Botafogo 1 Figueirense 3 +5.1
-0.1
Portuguesa 2 Sport Recife 2 -1.3
Atletico-MG 0 Santos 0 +0.3
+0.1
Sao Paulo 1 Fluminense 1 +0.0
Week of 12/7100.0*Relegated100.0*Average seed
Figueirense 3 Internacional 1 +35.9
-0.5
Atletico-PR 5 Flamengo 3 No
+1.8
Vasco da Gama 0 Vitoria 2 -15.8
+0.2
Santos 0 Nautico 0 +2.9
+0.1
Fluminense 1 Ipatinga 1 +0.1
Points
Chance Will Win Championship