How are these numbers calculated?

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 4/3100.0*Lottery seed
Nova Iguacu 1 Volta Redonda 0 -1.9
Vasco da Gama 2 Friburguense 1 -0.2
Flamengo 1 Duque de Caxias 1 -0.1
Bangu 1 Boavista 1 -0.1
Audax Rio 1 Macae 0 -0.0
Vasco da Gama 0 Botafogo 3 -0.0
Quissama 0 Madureira 1 -0.0
Botafogo 3 Olaria 0 +0.0
Week of 4/10100.0*Lottery seed
Botafogo 4 Nova Iguacu 1 +0.3
Flamengo 3 Fluminense 1 +0.2
Botafogo 3 Friburguense 1 -0.1
Week of 4/21100.0*Lottery seed
Olaria 2 Nova Iguacu 1 +4.0
Friburguense 4 Quissama 2 +0.1
Duque de Caxias 0 Audax Rio 1 +0.1
Madureira 1 Vasco da Gama 0 -0.1
Macae 3 Flamengo 2 +0.0
Boavista 1 Resende 3 -0.0
Points
Chance Will Make Playoffs