How are these numbers calculated?

Big Games

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

Week of 3/25100.0*Chance in playoffs100.0*Average seed
Nacional 2 Newell's Old Boys 4 +19.1
+0.5
Week of 4/1100.0*Chance in playoffs100.0*Average seed
Atletico Nacional 0 Gremio 2 -2.3
-0.2
Week of 4/8100.0*Chance in playoffs100.0*Average seed
Newell's Old Boys 1 Atletico Nacional 3 Out
-0.8
Gremio 1 Nacional 0 -0.2
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 3/25100.0*Lottery seed
Nacional 2 Newell's Old Boys 4 -5.3
Santos Laguna 4 Penarol 1 -0.1
Lanus 2 Cerro Porteno 0 -0.1
Universitario 3 The Strongest 3 -0.1
Week of 4/1100.0*Lottery seed
Atletico Nacional 0 Gremio 2 +0.7
Real Garcilaso 0 Defensor Sporting 2 +0.1
Emelec 1 Flamengo 2 -0.1
Botafogo 0 Union Espanola 1 +0.0
Week of 4/8100.0*Lottery seed
Newell's Old Boys 1 Atletico Nacional 3 +6.6
Gremio 1 Nacional 0 +1.0
Arsenal 3 Santos Laguna 0 +0.2
Cruzeiro 3 Real Garcilaso 0 +0.2
The Strongest 2 Atletico-PR 1 +0.1
O'Higgins 0 Lanus 0 -0.1
Defensor Sporting 1 Universidad de Chile 1 -0.1
Bolivar 2 Emelec 1 +0.1
Union Espanola 4 Independiente del Valle 5 +0.1
San Lorenzo 3 Botafogo 0 -0.1
Atletico-MG 1 Zamora 0 -0.0
Flamengo 2 Leon 3 -0.0
Nacional-PAR 3 Santa Fe 2 +0.0