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
Madureira 1 Macae 0 +23.8
-23.8
+0.8
Madureira 2 Portuguesa 1 +21.3
-21.3
+0.9
Fluminense 1 Flamengo 2 -4.1
+4.1
-0.2
Bangu 1 Volta Redonda 1 +3.1
-3.1
+0.1
Boavista 1 Volta Redonda 1 +2.4
-2.4
+0.1
America 1 Boavista 1 +2.1
-2.1
+0.1
Vasco da Gama 2 Friburguense 2 +2.0
-2.0
+0.1
Cabofriense 0 Flamengo 1 -1.7
+1.7
-0.1
Resende 1 Friburguense 1 +1.3
-1.3
+0.0
Tigres do Brasil 0 Vasco da Gama 2 +0.7
-0.7
+0.1
Macae 2 Bonsucesso 2 +0.4
-0.4
+0.0
Portuguesa 3 Bonsucesso 1 +0.2
-0.2
Botafogo 2 Cabofriense 1 -0.1
+0.1
Week of 2/27100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Bangu 1 Madureira 0 -13.8
+13.8
-0.5
Portuguesa 0 America 1 -12.8
+12.8
-0.3
Friburguense 1 Fluminense 2 +9.3
-9.3
+0.2
Volta Redonda 3 Macae 1 -7.2
+7.2
-0.2
Flamengo 5 Resende 0 -0.1
+0.1
-0.0
Week of 3/5100.0*Chance in playoffs100.0*Grupo D100.0*Average seed
Volta Redonda 2 Cabofriense 1 -17.7
+17.7
-0.3
Friburguense 2 Portuguesa 1 -14.6
+14.6
-0.3
Fluminense 1 America 0 +5.5
-5.5
+0.3
Resende 0 Madureira 0 -1.5
+1.5
-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
Madureira 2 Portuguesa 1 -2.1
Madureira 1 Macae 0 -1.9
Fluminense 1 Flamengo 2 +0.2
Bangu 1 Volta Redonda 1 -0.2
America 1 Boavista 1 -0.1
Cabofriense 0 Flamengo 1 +0.1
Boavista 1 Volta Redonda 1 -0.1
Vasco da Gama 2 Friburguense 2 -0.1
Tigres do Brasil 0 Vasco da Gama 2 -0.1
Resende 1 Friburguense 1 -0.1
Macae 2 Bonsucesso 2 -0.1
Botafogo 2 Fluminense 0 -0.1
Tigres do Brasil 1 Resende 1 -0.1
Week of 2/27100.0*Lottery seed
Bangu 1 Madureira 0 +1.2
Portuguesa 0 America 1 +0.5
Friburguense 1 Fluminense 2 -0.2
Volta Redonda 3 Macae 1 +0.2
Week of 3/5100.0*Lottery seed
Friburguense 2 Portuguesa 1 +0.4
Volta Redonda 2 Cabofriense 1 +0.4
Fluminense 1 America 0 -0.3
Resende 0 Madureira 0 +0.2
Flamengo 3 Bangu 1 -0.1