How are these numbers calculated?

Big Games

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

Week of 4/6100.0*Chance in playoffs100.0*Average seed
Nacional 2 Fluminense 0 +24.1
+0.9
America 2 Argentinos Juniors 1 -2.6
-0.1
Week of 4/13None
Week of 4/20100.0*Chance in playoffs100.0*Average seed
Argentinos Juniors 2 Fluminense 4 +12.0
+0.1
Nacional 0 America 0 -5.8
-0.3
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 4/6100.0*Lottery seed
Nacional 2 Fluminense 0 -6.3
Penarol 0 Independiente 1 +0.2
Santos 3 Colo-Colo 2 +0.2
Colo-Colo 2 Deportivo Tachira 1 +0.1
Union Espanola 1 Caracas 2 -0.1
Deportivo Tachira 0 Cerro Porteno 2 -0.1
America 2 Argentinos Juniors 1 +0.1
Jaguares 1 Internacional 0 +0.1
Universidad Catolica 0 Velez Sarsfield 0 +0.1
LDU de Quito 2 Godoy Cruz 0 -0.0
Jorge Wilstermann 0 Emelec 0 -0.0
Week of 4/13100.0*Lottery seed
Guarani 0 Tolima 2 +0.2
Cerro Porteno 1 Santos 2 +0.2
Libertad 2 San Luis 0 -0.1
Caracas 0 Velez Sarsfield 3 +0.1
Jorge Wilstermann 2 Jaguares 1 -0.1
Internacional 2 Emelec 0 -0.0
Junior 1 Leon de Huanuco 1 -0.0
Universidad San Martin 0 Once Caldas 2 -0.0
Estudiantes 0 Cruzeiro 3 -0.0
Week of 4/20100.0*Lottery seed
Nacional 0 America 0 +1.0
Argentinos Juniors 2 Fluminense 4 -0.5
Santos 3 Deportivo Tachira 1 +0.1
Colo-Colo 2 Cerro Porteno 3 +0.0