How are these numbers calculated?

Big Games

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

Week of 4/23100.0*Chance in playoffs100.0*Average seed
Godoy Cruz 2 Sporting Cristal 0 -31.4
-0.8
Universidad de Concepcion 3 Olimpia 3 -0.4
+0.1
Week of 5/7100.0*Chance in playoffs100.0*Average seed
Olimpia 0 Sporting Cristal 1 +8.0
+0.7
Godoy Cruz 1 Universidad de Concepcion 0 Out
-0.0
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 4/23100.0*Lottery seed
Godoy Cruz 2 Sporting Cristal 0 +4.8
Jorge Wilstermann 3 Athletico-PR 2 +0.3
Melgar 0 Palmeiras 4 -0.2
San Jose 3 Penarol 1 +0.2
Universidad de Concepcion 3 Olimpia 3 -0.2
LDU 2 Flamengo 1 +0.2
Alianza Lima 0 Internacional 1 -0.2
Atletico-MG 0 Nacional 1 -0.2
Libertad 0 Gremio 2 +0.2
Junior 1 San Lorenzo 0 +0.2
Zamora 2 Cerro Porteno 1 +0.2
Palestino 0 River Plate 2 -0.1
Deportivo Lara 0 Cruzeiro 2 -0.1
Rosario Central 1 Universidad Catolica 1 -0.1
Deportes Tolima 2 Boca Juniors 2 +0.1
Huracan 1 Emelec 2 +0.1
Week of 5/7100.0*Lottery seed
Olimpia 0 Sporting Cristal 1 -4.9
Rosario Central 2 Libertad 1 +0.4
Jorge Wilstermann 0 Deportes Tolima 2 +0.2
LDU 4 San Jose 0 -0.2
Alianza Lima 1 Palestino 2 +0.2
Godoy Cruz 1 Universidad de Concepcion 0 +0.1
Gremio 2 Universidad Catolica 0 -0.1
Cruzeiro 1 Emelec 2 +0.1
Zamora 1 Atletico-MG 2 -0.0