How are these numbers calculated?

Big Games

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

Week of 4/26100.0*Chance in playoffs100.0*Average seed
Sporting Cristal 0 Boca Juniors 3 In
Deportivo Cuenca 1 Pachuca 1 +9.0
Week of 5/3100.0*Chance in playoffs100.0*Average seed
Boca Juniors 3 Deportivo Cuenca 0 +0.1
Pachuca 2 Sporting Cristal 0 -0.1
Week of 5/10None
Chance Will Make Playoffs