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 +4.3
Week of 4/9100.0*Chance in playoffs100.0*Average seed
Gremio 0 Fluminense 0 -1.6
+0.3
Week of 4/16100.0*Chance in playoffs100.0*Average seed
Fluminense 1 Caracas 0 In
+0.9
Huachipato 1 Gremio 1 -0.1
Points
Chance Will Make Playoffs

Lottery

Why are you looking down here? We just made the playoffs!

Big Games

Week of 4/2100.0*Lottery seed
Caracas 0 Huachipato 4 -0.2
Real Garcilaso 0 Tolima 3 +0.1
Santa Fe 1 Cerro Porteno 0 +0.1
Boca Juniors 1 Barcelona 0 +0.1
Newell's Old Boys 3 Deportivo Lara 1 +0.0
San Jose 1 Tijuana 1 -0.0
Atletico-MG 5 Arsenal 2 -0.0
Palmeiras 2 Tigre 0 +0.0
Millonarios 0 Corinthians 1 +0.0
Week of 4/9100.0*Lottery seed
Gremio 0 Fluminense 0 -0.8
Deportivo Lara 2 Universidad de Chile 3 +0.2
Tigre 3 Sporting Cristal 1 -0.2
Penarol 3 Deportes Iquique 0 +0.1
Velez Sarsfield 0 Emelec 0 +0.1
Real Garcilaso 5 Cerro Porteno 1 +0.1
Palmeiras 1 Libertad 0 +0.1
Tijuana 1 Millonarios 0 +0.0
Week of 4/16100.0*Lottery seed
Fluminense 1 Caracas 0 -5.8
Huachipato 1 Gremio 1 -0.8
Barcelona 1 Nacional 0 -0.2
Arsenal 2 The Strongest 1 -0.1
Toluca 3 Boca Juniors 2 +0.1
Sporting Cristal 1 Palmeiras 0 +0.1
Cerro Porteno 0 Tolima 0 +0.0
Libertad 3 Tigre 5 +0.0