How are these numbers calculated?

Big Games

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

Week of 4/4100.0*Chance in playoffs100.0*Average seed
Paulista 2 River Plate 1 -19.8
-0.4
Week of 4/11100.0*Chance in playoffs100.0*Average seed
El Nacional 2 River Plate 0 -42.4
-0.6
Libertad 1 Paulista 0 +7.0
+0.0
Week of 4/19100.0*Chance in playoffs100.0*Average seed
River Plate 1 Libertad 0 In
+0.8
Paulista 0 El Nacional 0 +29.1
+0.1
Points
Chance Will Make Playoffs

Lottery

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

Big Games

Week of 4/4100.0*Lottery seed
Paulista 2 River Plate 1 +4.4
LDU 4 Universitario 0 +0.1
Universidad Catolica 2 Corinthians 3 +0.1
Cerro Porteno 1 Rosario Central 3 -0.1
The Strongest 1 Goias 0 -0.1
Nacional 0 Internacional 0 -0.0
Week of 4/11100.0*Lottery seed
El Nacional 2 River Plate 0 +5.7
Palmeiras 2 Cerro Porteno 3 +0.5
Rosario Central 1 Atletico Nacional 2 -0.3
Libertad 1 Paulista 0 -0.1
Union Espanola 1 Newell's Old Boys 1 -0.1
Cienciano 0 Sao Paulo 2 +0.1
Caracas 0 Chivas Guadalajara 0 -0.0
Rocha 0 Velez Sarsfield 5 -0.0
Estudiantes 2 Bolivar 1 -0.0
Deportivo Cali 2 Tigres UANL 2 -0.0
Week of 4/19100.0*Lottery seed
River Plate 1 Libertad 0 -7.9
Paulista 0 El Nacional 0 -1.6
Sao Paulo 2 Caracas 0 -0.4
Goias 0 Union Espanola 0 +0.1
Tigres UANL 1 Universidad Catolica 0 +0.0
Newell's Old Boys 2 The Strongest 0 +0.0