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
Deportes Tolima 2 Boca Juniors 2 -10.8
-0.1
Jorge Wilstermann 3 Athletico-PR 2 -1.4
-0.1
Week of 5/7100.0*Chance in playoffs100.0*Average seed
Jorge Wilstermann 0 Deportes Tolima 2 +18.3
+0.6
Boca Juniors 2 Athletico-PR 1 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 4/23100.0*Lottery seed
Deportes Tolima 2 Boca Juniors 2 +1.1
Melgar 0 Palmeiras 4 -0.2
Libertad 0 Gremio 2 +0.2
LDU 2 Flamengo 1 +0.2
Atletico-MG 0 Nacional 1 -0.2
San Jose 3 Penarol 1 +0.1
Zamora 2 Cerro Porteno 1 +0.1
Junior 1 San Lorenzo 0 +0.1
Deportivo Lara 0 Cruzeiro 2 -0.1
Alianza Lima 0 Internacional 1 -0.1
Rosario Central 1 Universidad Catolica 1 -0.1
Palestino 0 River Plate 2 -0.1
Jorge Wilstermann 3 Athletico-PR 2 +0.1
Huracan 1 Emelec 2 +0.1
Universidad de Concepcion 3 Olimpia 3 -0.0
Week of 5/7100.0*Lottery seed
Jorge Wilstermann 0 Deportes Tolima 2 -4.8
Olimpia 0 Sporting Cristal 1 +0.3
Alianza Lima 1 Palestino 2 +0.3
Huracan 3 Deportivo Lara 0 -0.2
Rosario Central 2 Libertad 1 +0.2
Boca Juniors 2 Athletico-PR 1 +0.2
LDU 4 San Jose 0 -0.1
Junior 0 Melgar 1 +0.1
Cruzeiro 1 Emelec 2 +0.1
Zamora 1 Atletico-MG 2 +0.1