How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Tuesday, 3/31100.0*Chance in playoffs100.0*Average seed
Bangu 2 Tigres do Brasil 1 -1.4
-0.3
Americano 0 Flamengo 1 -1.0
Cabofriense 2 Volta Redonda 1 +0.8
+0.3
Macae 0 Vasco da Gama 1 +0.8
+0.1
Thursday, 4/2100.0*Chance in playoffs100.0*Average seed
Botafogo 3 Madureira 2 -2.5
-0.1
Fluminense 2 Boavista 2 -1.1
+0.2
Friburguense 1 Resende 0 -0.5
-0.2
Sunday, 4/5100.0*Chance in playoffs100.0*Average seed
Boavista 4 Americano 1 +1.2
+1.2
Madureira 0 Friburguense 2 Out
-0.3
Resende 0 Botafogo 4 Out
-0.0
Vasco da Gama 4 Bangu 0 +0.5
+0.1
Tigres do Brasil 3 Macae 2 +0.2
+0.3
Volta Redonda 1 Duque de Caxias 1 +0.2
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

Tuesday, 3/31100.0*Lottery seed
Cabofriense 2 Volta Redonda 1 -0.3
Macae 0 Vasco da Gama 1 -0.1
Bangu 2 Tigres do Brasil 1 +0.1
Americano 0 Flamengo 1 -0.0
Thursday, 4/2100.0*Lottery seed
Fluminense 2 Boavista 2 -0.3
Friburguense 1 Resende 0 +0.1
Botafogo 3 Madureira 2 -0.0
Sunday, 4/5100.0*Lottery seed
Boavista 4 Americano 1 -2.2
Volta Redonda 1 Duque de Caxias 1 -0.2
Vasco da Gama 4 Bangu 0 -0.1
Tigres do Brasil 3 Macae 2 +0.1
Madureira 0 Friburguense 2 -0.0