How are these numbers calculated?

Big Games

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

Week of 5/23100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Corinthians 1 Fluminense 0 -1.1
+0.0
Paysandu 3 Sao Paulo 0 +0.9
Week of 5/24100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Palmeiras 1 Atletico-PR 0 Out
-1.6
Guarani 0 Atletico-MG 1 +1.3
-0.2
Flamengo 3 Goias 1 -1.1
No
+0.1
Internacional 0 Sport Recife 0 +0.3
+0.0
Cruzeiro 1 Portuguesa 1 -0.2
Fluminense 1 Cruzeiro 1 +0.1
Bahia 0 Santos 2 +0.1
Nautico 1 Vasco da Gama 1 +0.0
Week of 5/31100.0*Chance in playoffs100.0*Serie B100.0*Average seed
Atletico-PR 0 Corinthians 1 -1.0
Goias 1 Portuguesa 1 +0.3
Sport Recife 0 Palmeiras 2 +0.1
Atletico-MG 0 Paysandu 0 -0.1
Games Above .500
Chance Will Make Playoffs