How are these numbers calculated?

Big Games

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

Week of 4/3None
Week of 4/10100.0*Chance in playoffs100.0*Average seed
Guadalajara 0 Velez Sarsfield 2 In
Deportivo Quito 2 Defensor Sporting 0 -0.8
Week of 4/17None
Chance Will Make Playoffs