How are these numbers calculated?

Big Games

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

Week of 4/2100.0*Chance in playoffs100.0*Average seed
Caracas 0 Huachipato 4 -26.1
-0.8
Week of 4/9100.0*Chance in playoffs100.0*Average seed
Gremio 0 Fluminense 0 +15.8
+0.2
Week of 4/16100.0*Chance in playoffs100.0*Average seed
Fluminense 1 Caracas 0 Out
-0.9
Huachipato 1 Gremio 1 +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 4/2100.0*Lottery seed
Caracas 0 Huachipato 4 +5.5
Nacional 4 Toluca 0 -0.1
Universidad de Chile 0 Olimpia 1 -0.1
Atletico-MG 5 Arsenal 2 -0.1
Newell's Old Boys 3 Deportivo Lara 1 -0.1
Real Garcilaso 0 Tolima 3 +0.1
Santa Fe 1 Cerro Porteno 0 +0.1
San Jose 1 Tijuana 1 -0.0
Deportes Iquique 1 Velez Sarsfield 3 -0.0
The Strongest 2 Sao Paulo 1 +0.0
Palmeiras 2 Tigre 0 +0.0
Boca Juniors 1 Barcelona 0 +0.0
Week of 4/9100.0*Lottery seed
Gremio 0 Fluminense 0 -1.0
Corinthians 3 San Jose 0 -0.3
Tijuana 1 Millonarios 0 -0.2
Palmeiras 1 Libertad 0 +0.1
Olimpia 4 Newell's Old Boys 1 -0.1
Velez Sarsfield 0 Emelec 0 +0.1
Deportivo Lara 2 Universidad de Chile 3 -0.1
Penarol 3 Deportes Iquique 0 +0.0
Real Garcilaso 5 Cerro Porteno 1 +0.0
Week of 4/16100.0*Lottery seed
Fluminense 1 Caracas 0 +6.3
Huachipato 1 Gremio 1 -1.8
Sao Paulo 2 Atletico-MG 0 +0.4
Barcelona 1 Nacional 0 +0.2
Sporting Cristal 1 Palmeiras 0 +0.1
Toluca 3 Boca Juniors 2 +0.1
Libertad 3 Tigre 5 +0.1
Arsenal 2 The Strongest 1 +0.1