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
Cabofriense 0 Flamengo 1 -4.2
+4.2
-0.3
Botafogo 2 Cabofriense 1 -3.7
+3.7
-0.3
Fluminense 1 Flamengo 2 +2.0
-2.0
+0.0
Botafogo 2 Fluminense 0 +1.7
-1.7
+0.0
Tigres do Brasil 1 Resende 1 +1.1
-1.1
+0.1
Portuguesa 3 Bonsucesso 1 -0.9
+0.9
-0.2
Madureira 2 Portuguesa 1 +0.7
-0.7
+0.1
Resende 1 Friburguense 1 +0.7
-0.7
+0.1
Madureira 1 Macae 0 +0.6
-0.6
+0.1
Macae 2 Bonsucesso 2 +0.4
-0.4
+0.1
Bangu 1 Volta Redonda 1 +0.4
-0.4
Week of 2/27100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Friburguense 1 Fluminense 2 -8.6
+8.6
-0.1
Cabofriense 2 Tigres do Brasil 0 +4.2
-4.2
+0.6
Portuguesa 0 America 1 +3.3
-3.3
+0.2
Volta Redonda 3 Macae 1 +1.0
-1.0
+0.2
Bangu 1 Madureira 0 -0.8
+0.8
Flamengo 5 Resende 0 +0.5
-0.5
+0.1
Week of 3/5100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Fluminense 1 America 0 Out
Yes
-0.0
Volta Redonda 2 Cabofriense 1 Out
Yes
-0.5
Friburguense 2 Portuguesa 1 +0.3
-0.3
+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
Cabofriense 0 Flamengo 1 +0.6
Botafogo 2 Cabofriense 1 +0.5
Tigres do Brasil 1 Resende 1 -0.1
Portuguesa 3 Bonsucesso 1 +0.1
Macae 2 Bonsucesso 2 -0.1
Madureira 1 Macae 0 -0.1
Resende 1 Friburguense 1 -0.1
Fluminense 1 Flamengo 2 -0.1
Vasco da Gama 2 Friburguense 2 +0.1
Botafogo 2 Fluminense 0 -0.1
America 1 Boavista 1 +0.0
Tigres do Brasil 0 Vasco da Gama 2 -0.0
Madureira 2 Portuguesa 1 -0.0
Week of 2/27100.0*Lottery seed
Cabofriense 2 Tigres do Brasil 0 -0.9
Portuguesa 0 America 1 -0.2
Friburguense 1 Fluminense 2 +0.1
Volta Redonda 3 Macae 1 -0.1
Flamengo 5 Resende 0 -0.1
Bangu 1 Madureira 0 +0.0
Week of 3/5100.0*Lottery seed
Volta Redonda 2 Cabofriense 1 +1.1
Resende 0 Madureira 0 -0.2
Macae 0 Tigres do Brasil 1 -0.1
Friburguense 2 Portuguesa 1 -0.1
Fluminense 1 America 0 +0.1