How are these numbers calculated?

Big Games

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

Week of 5/16100.0*Chance in playoffs100.0*Average seed
Independiente Medellin 1 Emelec 2 -53.0
-0.7
Melgar 2 River Plate 3 +1.5
+0.1
Week of 5/24100.0*Chance in playoffs100.0*Average seed
River Plate 1 Independiente Medellin 2 +32.1
+0.4
Emelec 3 Melgar 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 5/16100.0*Lottery seed
Independiente Medellin 1 Emelec 2 +5.4
Barcelona 0 Estudiantes 3 +0.4
Universidad Catolica 2 Atletico-PR 3 -0.3
Sporting Cristal 0 Santa Fe 2 +0.2
Melgar 2 River Plate 3 -0.2
San Lorenzo 2 Flamengo 1 +0.1
Botafogo 1 Atletico Nacional 0 -0.1
Zulia 0 Nacional 0 -0.1
Libertad 1 Sport Boys 1 -0.1
Lanus 3 Chapecoense 0 -0.1
Week of 5/24100.0*Lottery seed
River Plate 1 Independiente Medellin 2 -4.9
Emelec 3 Melgar 0 +0.5
Atletico Nacional 3 Barcelona 1 +0.4
Estudiantes 1 Botafogo 0 +0.4
Penarol 2 Jorge Wilstermann 0 +0.2
Palmeiras 3 Atletico Tucuman 1 -0.1