How are these numbers calculated?

Big Games

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

Week of 4/3100.0*Chance in playoffs100.0*Average seed
Deportivo Tachira 1 Cruz Azul 1 +7.9
+0.1
Week of 4/10100.0*Chance in playoffs100.0*Average seed
Nacional-PAR 1 Corinthians 3 In
-0.0
Week of 4/17100.0*Chance in playoffs100.0*Average seed
Cruz Azul 4 Nacional-PAR 1 +0.2
Corinthians 6 Deportivo Tachira 0 -0.2
Points
Chance Will Make Playoffs