How are these numbers calculated?

Big Games

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

Week of 3/20100.0*Chance in playoffs100.0*Average seed
Bangu 1 America 1 -2.6
-0.2
Madureira 1 Fluminense 3 -1.1
-0.0
Friburguense 2 Bangu 3 +1.1
+0.4
Flamengo 3 Tigres do Brasil 1 -1.1
-0.0
Duque de Caxias 0 Madureira 1 +1.0
+0.2
America 3 Boavista 2 +0.6
+0.1
Macae 3 Olaria 1 +0.6
+0.2
Fluminense 2 Resende 1 -0.6
-0.0
Boavista 0 Friburguense 1 +0.5
+0.3
Resende 1 Duque de Caxias 0 +0.4
+0.3
Botafogo 2 Flamengo 2 +0.3
Tigres do Brasil 3 Volta Redonda 0 +0.1
+0.2
Olaria 1 Vasco da Gama 0 -0.1
-0.2
Vasco da Gama 2 Americano 3 -0.2
Volta Redonda 0 Botafogo 1 +0.1
Week of 3/27100.0*Chance in playoffs100.0*Average seed
Vasco da Gama 3 Fluminense 0 +2.4
Bangu 2 Tigres do Brasil 1 +0.5
+0.8
Flamengo 2 America 1 -0.3
Resende 2 Olaria 0 +0.3
Boavista 1 Botafogo 4 +0.2
Madureira 0 Americano 0 +0.1
Macae 2 Duque de Caxias 2 +0.0
Week of 4/3100.0*Chance in playoffs100.0*Average seed
Botafogo 2 Bangu 2 Out
+0.1
Fluminense 3 Macae 1 Out
-0.0
Duque de Caxias 3 Vasco da Gama 4 +0.1
Points
Chance Will Make Playoffs

Lottery

We are out of the playoffs. Here are the big games and what ifs for draft seeds.
Although it might be more fun to go down swinging.

Big Games

Week of 3/20100.0*Lottery seed
Friburguense 2 Bangu 3 -0.7
Resende 1 Duque de Caxias 0 -0.3
Boavista 0 Friburguense 1 -0.3
Duque de Caxias 0 Madureira 1 -0.2
Olaria 1 Vasco da Gama 0 +0.2
Tigres do Brasil 3 Volta Redonda 0 -0.2
Bangu 1 America 1 +0.2
Volta Redonda 0 Botafogo 1 -0.1
Macae 3 Olaria 1 -0.1
Americano 2 Macae 1 -0.1
Fluminense 2 Resende 1 +0.0
America 3 Boavista 2 -0.0
Madureira 1 Fluminense 3 +0.0
Vasco da Gama 2 Americano 3 +0.0
Week of 3/27100.0*Lottery seed
Bangu 2 Tigres do Brasil 1 -1.2
Resende 2 Olaria 0 -0.3
Boavista 1 Botafogo 4 -0.2
Vasco da Gama 3 Fluminense 0 +0.1
Madureira 0 Americano 0 -0.1
Macae 2 Duque de Caxias 2 -0.1
Flamengo 2 America 1 -0.0
Week of 4/3100.0*Lottery seed
America 2 Volta Redonda 0 +0.2
Botafogo 2 Bangu 2 -0.2
Duque de Caxias 3 Vasco da Gama 4 +0.0