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 +33.5
+0.6
Melgar 2 River Plate 3 +8.7
+0.2
Week of 5/24100.0*Chance in playoffs100.0*Average seed
Emelec 3 Melgar 0 In
+0.3
River Plate 1 Independiente Medellin 2 -29.7
-0.3
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 5/16100.0*Lottery seed
Independiente Medellin 1 Emelec 2 -5.3
Melgar 2 River Plate 3 -0.4
Sporting Cristal 0 Santa Fe 2 +0.1
Libertad 1 Sport Boys 1 -0.1
San Lorenzo 2 Flamengo 1 +0.1
Barcelona 0 Estudiantes 3 +0.1
Universidad Catolica 2 Atletico-PR 3 +0.1
Atletico-MG 4 Godoy Cruz 1 +0.0
Botafogo 1 Atletico Nacional 0 +0.0
Lanus 3 Chapecoense 0 -0.0
Week of 5/24100.0*Lottery seed
Emelec 3 Melgar 0 -4.8
River Plate 1 Independiente Medellin 2 +1.5
Penarol 2 Jorge Wilstermann 0 -0.2
Atletico Nacional 3 Barcelona 1 -0.1
Gremio 4 Zamora 0 +0.1
Palmeiras 3 Atletico Tucuman 1 -0.1