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
Melgar 1 Colo-Colo 2 -4.9
Independiente del Valle 3 Atletico-MG 2 +0.6
Pumas 4 Olimpia 1 -0.2
Toluca 2 LDU de Quito 1 -0.1
Racing 4 Deportivo Cali 2 -0.0
Sao Paulo 6 Trujillanos 0 +0.0
River Plate-URU 2 Nacional 2 -0.0
Week of 4/12100.0*Lottery seed
Colo-Colo 0 Independiente del Valle 0 +2.7
Atletico-MG 4 Melgar 0 +0.6
Palmeiras 4 River Plate-URU 0 +0.2
Cobresal 2 Cerro Porteno 0 -0.2
Trujillanos 2 The Strongest 1 -0.1
Sao Paulo 2 River Plate 1 +0.1
Sporting Cristal 0 Atletico Nacional 1 -0.1
Olimpia 4 Deportivo Tachira 0 -0.1
Huracan 0 Penarol 0 -0.0
Deportivo Cali 1 Bolivar 1 -0.0
Racing 0 Boca Juniors 1 +0.0
Nacional 0 Rosario Central 2 +0.0
Week of 4/19None
Points
Chance Will Make Playoffs