How are these numbers calculated?

Big Games

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

Week of 4/2100.0*Chance in playoffs100.0*Average seed
Volta Redonda 1 Fluminense 2 -8.0
-0.2
Duque de Caxias 0 Flamengo 2 +5.5
+0.1
Botafogo 1 Resende 1 -5.3
-0.1
Vasco da Gama 4 Bangu 0 +1.9
+0.1
Madureira 2 America 0 -0.8
-0.1
Americano 0 Olaria 0 +0.8
+0.0
Nova Iguacu 3 Cabofriense 2 +0.5
+0.0
Macae 2 Boavista 1 -0.1
Week of 4/10100.0*Chance in playoffs100.0*Average seed
Botafogo 0 Flamengo 2 -25.3
-0.7
Americano 1 Fluminense 5 -11.6
-0.2
Duque de Caxias 2 Resende 1 -3.9
-0.2
Week of 4/17100.0*Chance in playoffs100.0*Average seed
America 1 Botafogo 3 +35.1
+1.1
Olaria 2 Vasco da Gama 2 -8.7
-0.1
Fluminense 1 Nova Iguacu 0 -8.4
-0.1
Boavista 3 Duque de Caxias 0 +1.5
+0.3
Resende 1 Madureira 1 -0.0
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 4/2100.0*Lottery seed
Volta Redonda 1 Fluminense 2 +0.2
Botafogo 1 Resende 1 +0.2
Duque de Caxias 0 Flamengo 2 -0.1
Americano 0 Olaria 0 -0.1
Macae 2 Boavista 1 -0.1
Vasco da Gama 4 Bangu 0 -0.0
Week of 4/10100.0*Lottery seed
Botafogo 0 Flamengo 2 +1.6
Americano 1 Fluminense 5 +0.2
Duque de Caxias 2 Resende 1 +0.1
Week of 4/17100.0*Lottery seed
America 1 Botafogo 3 -1.9
Bangu 1 Americano 2 +0.3
Cabofriense 1 Volta Redonda 2 +0.2
Olaria 2 Vasco da Gama 2 +0.2
Fluminense 1 Nova Iguacu 0 +0.2
Resende 1 Madureira 1 +0.0