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 4/5100.0*Lottery seed
River Plate-URU 2 Nacional 2 -0.4
Melgar 1 Colo-Colo 2 -0.1
Racing 4 Deportivo Cali 2 -0.1
Deportivo Tachira 1 Emelec 0 -0.1
Toluca 2 LDU de Quito 1 -0.1
Pumas 4 Olimpia 1 -0.1
Sao Paulo 6 Trujillanos 0 -0.0
Rosario Central 3 Palmeiras 3 +0.0
Week of 4/12100.0*Lottery seed
Palmeiras 4 River Plate-URU 0 +1.9
Trujillanos 2 The Strongest 1 +0.5
Cobresal 2 Cerro Porteno 0 +0.4
Olimpia 4 Deportivo Tachira 0 +0.2
LDU de Quito 2 Gremio 3 -0.1
Emelec 2 Pumas 3 -0.1
Toluca 2 San Lorenzo 1 -0.1
Deportivo Cali 1 Bolivar 1 -0.0
Atletico-MG 4 Melgar 0 -0.0
Sporting Cristal 0 Atletico Nacional 1 -0.0
Huracan 0 Penarol 0 +0.0
Week of 4/19100.0*Lottery seed
Penarol 4 Sporting Cristal 3 +0.6
San Lorenzo 1 LDU de Quito 1 +0.2
Boca Juniors 6 Deportivo Cali 2 -0.1
Corinthians 6 Cobresal 0 -0.1
Points
Chance Will Make Playoffs