How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/8None
Week of 4/15100.0*Chance in playoffs100.0*Average seed
Santos 1 El Nacional 1 -7.5
-0.2
12 de Octubre 1 America de Cali 4 -5.5
+0.0
Week of 4/25100.0*Chance in playoffs100.0*Average seed
America de Cali 1 El Nacional 0 Out
-0.3
12 de Octubre 1 Santos 4 +0.1
Points
Chance Will Make Playoffs

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 4/8100.0*Lottery seed
The Strongest 0 Corinthians 2 -0.2
Bolivar 1 Gremio 0 +0.2
Independiente Medellin 2 Colo-Colo 0 -0.1
Barcelona de Guayaquil 2 Boca Juniors 2 -0.1
Racing 4 Nacional 1 +0.1
Olimpia 4 Gimnasia y Esgrima 1 +0.0
Pumas UNAM 3 Penarol 1 +0.0
Oriente Petrolero 2 Universitario 2 -0.0
Cruz Azul 4 Fenix 0 +0.0
Week of 4/15100.0*Lottery seed
Santos 1 El Nacional 1 +0.7
Libertad 1 Deportivo Cali 0 +0.4
12 de Octubre 1 America de Cali 4 +0.2
Universidad Catolica 1 Paysandu 1 -0.1
River Plate 2 Emelec 0 -0.1
Universitario 2 Nacional 2 +0.0
Week of 4/25100.0*Lottery seed
America de Cali 1 El Nacional 0 +5.0
12 de Octubre 1 Santos 4 -0.1