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
Vasco da Gama 2 Friburguense 1 +1.4
Nova Iguacu 1 Volta Redonda 0 -0.2
Vasco da Gama 0 Botafogo 3 +0.1
Botafogo 3 Olaria 0 +0.1
Audax Rio 1 Macae 0 -0.0
Week of 4/10100.0*Lottery seed
Friburguense 2 Madureira 2 +0.7
Botafogo 3 Friburguense 1 +0.6
Flamengo 3 Fluminense 1 +0.4
Macae 1 Bangu 0 +0.2
Resende 2 Audax Rio 1 -0.2
Boavista 1 Duque de Caxias 2 -0.1
Vasco da Gama 3 Quissama 1 +0.1
Botafogo 4 Nova Iguacu 1 -0.0
Volta Redonda 0 Olaria 0 +0.0
Week of 4/21100.0*Lottery seed
Friburguense 4 Quissama 2 -1.0
Olaria 2 Nova Iguacu 1 -0.3
Duque de Caxias 0 Audax Rio 1 +0.1
Madureira 1 Vasco da Gama 0 -0.1
Boavista 1 Resende 3 -0.0
Points
Chance Will Make Playoffs