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

Sunday, 2/6100.0*Lottery seed
Volta Redonda 2 America 0 -1.7
Duque de Caxias 4 Olaria 2 +0.1
Vasco da Gama 3 Americano 0 +0.1
Saturday, 2/12None
Sunday, 2/13100.0*Lottery seed
Americano 2 Volta Redonda 1 +2.0
Madureira 0 Fluminense 1 -0.4
Cabofriense 2 Duque de Caxias 0 -0.2
Olaria 1 Bangu 0 +0.2
Botafogo 1 Macae 1 -0.1
Points
Chance Will Make Playoffs