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
Flamengo 1 Duque de Caxias 1 +0.4
Nova Iguacu 1 Volta Redonda 0 +0.2
Botafogo 3 Olaria 0 -0.2
Bangu 1 Boavista 1 -0.1
Audax Rio 1 Macae 0 +0.1
Vasco da Gama 2 Friburguense 1 +0.1
Vasco da Gama 0 Botafogo 3 -0.1
Resende 0 Fluminense 2 +0.1
Quissama 0 Madureira 1 +0.0
Week of 4/10100.0*Lottery seed
Flamengo 3 Fluminense 1 -2.5
Botafogo 4 Nova Iguacu 1 -0.2
Resende 2 Audax Rio 1 -0.2
Friburguense 2 Madureira 2 -0.1
Botafogo 3 Friburguense 1 -0.1
Vasco da Gama 3 Quissama 1 +0.1
Macae 1 Bangu 0 +0.0
Volta Redonda 0 Olaria 0 -0.0
Boavista 1 Duque de Caxias 2 +0.0
Week of 4/21100.0*Lottery seed
Macae 3 Flamengo 2 +2.3
Friburguense 4 Quissama 2 +0.3
Boavista 1 Resende 3 -0.1
Duque de Caxias 0 Audax Rio 1 +0.1
Madureira 1 Vasco da Gama 0 -0.1
Olaria 2 Nova Iguacu 1 -0.0
Points
Chance Will Make Playoffs