How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Chance in playoffs100.0*Average seed
Cerro Porteno 1 Santo Andre 0 -27.4
-0.6
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Deportivo Tachira 1 Palmeiras 2 -14.6
-0.1
Week of 5/10100.0*Chance in playoffs100.0*Average seed
Santo Andre 6 Deportivo Tachira 0 +21.1
+0.6
Palmeiras 0 Cerro Porteno 0 Out
-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 4/26100.0*Lottery seed
Cerro Porteno 1 Santo Andre 0 +5.5
Independiente Medellin 2 America de Cali 0 +0.1
Deportivo Cuenca 1 Pachuca 1 -0.1
Cobreloa 2 San Lorenzo 0 +0.0
Week of 5/3100.0*Lottery seed
Deportivo Tachira 1 Palmeiras 2 +0.5
Banfield 3 Caracas 1 -0.2
Boca Juniors 3 Deportivo Cuenca 0 -0.2
Pachuca 2 Sporting Cristal 0 +0.1
Chivas Guadalajara 3 Cobreloa 1 -0.0
San Lorenzo 0 Once Caldas 1 -0.0
Junior Barranquilla 3 Nacional 2 +0.0
River Plate 1 Olmedo 1 +0.0
Week of 5/10100.0*Lottery seed
Santo Andre 6 Deportivo Tachira 0 -5.4
America de Cali 0 Libertad 1 +0.4
Palmeiras 0 Cerro Porteno 0 +0.3
Sao Paulo 3 The Strongest 0 -0.3
Atletico-PR 0 Independiente Medellin 4 +0.1
Santos 6 Bolivar 0 -0.1
Quilmes 1 Universidad de Chile 1 +0.0
LDU 1 Danubio 1 -0.0