How are these numbers calculated?

Big Games

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

Week of 2/20100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Portuguesa 3 Bonsucesso 1 +19.1
-19.1
+0.9
Madureira 2 Portuguesa 1 -12.0
+12.0
-0.7
Botafogo 2 Fluminense 0 +3.5
-3.5
+0.1
Fluminense 1 Flamengo 2 +2.2
-2.2
+0.1
Cabofriense 0 Flamengo 1 +1.3
-1.3
+0.2
Madureira 1 Macae 0 +1.3
-1.3
+0.2
Botafogo 2 Cabofriense 1 +1.3
-1.3
+0.1
Tigres do Brasil 1 Resende 1 +1.2
-1.2
+0.1
Macae 2 Bonsucesso 2 +0.5
-0.5
+0.0
Resende 1 Friburguense 1 +0.5
-0.5
+0.0
Bangu 1 Volta Redonda 1 +0.3
-0.3
+0.0
Boavista 1 Volta Redonda 1 -0.2
+0.2
Tigres do Brasil 0 Vasco da Gama 2 -0.2
+0.2
America 1 Boavista 1 -0.1
+0.1
Week of 2/27100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Portuguesa 0 America 1 -22.8
+22.8
-0.9
Friburguense 1 Fluminense 2 -10.9
+10.9
-0.2
Bangu 1 Madureira 0 -3.6
+3.6
-0.1
Flamengo 5 Resende 0 +3.3
-3.3
+0.2
Cabofriense 2 Tigres do Brasil 0 -2.6
+2.6
-0.2
Volta Redonda 3 Macae 1 +2.0
-2.0
+0.2
Bonsucesso 1 Boavista 2 -0.4
+0.4
Week of 3/5100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Fluminense 1 America 0 Out
Yes
-0.1
Friburguense 2 Portuguesa 1 Out
Yes
-0.8
Volta Redonda 2 Cabofriense 1 +2.0
-2.0
+0.3
Resende 0 Madureira 0 +0.2
Macae 0 Tigres do Brasil 1 +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 2/20100.0*Lottery seed
Portuguesa 3 Bonsucesso 1 -1.8
Madureira 2 Portuguesa 1 +1.5
Cabofriense 0 Flamengo 1 -0.2
Botafogo 2 Cabofriense 1 -0.2
Botafogo 2 Fluminense 0 -0.2
Tigres do Brasil 1 Resende 1 -0.1
Madureira 1 Macae 0 -0.1
Fluminense 1 Flamengo 2 -0.1
Macae 2 Bonsucesso 2 -0.1
Tigres do Brasil 0 Vasco da Gama 2 -0.1
Resende 1 Friburguense 1 -0.1
Boavista 1 Volta Redonda 1 -0.0
Week of 2/27100.0*Lottery seed
Portuguesa 0 America 1 +1.7
Friburguense 1 Fluminense 2 +0.2
Cabofriense 2 Tigres do Brasil 0 +0.2
Flamengo 5 Resende 0 -0.2
Bangu 1 Madureira 0 +0.1
Bonsucesso 1 Boavista 2 +0.1
Volta Redonda 3 Macae 1 -0.1
Week of 3/5100.0*Lottery seed
Friburguense 2 Portuguesa 1 +1.4
Volta Redonda 2 Cabofriense 1 -0.2
Resende 0 Madureira 0 -0.2
Macae 0 Tigres do Brasil 1 -0.1
Fluminense 1 America 0 +0.1