How are these numbers calculated?

Big Games

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

Week of 4/5100.0*Chance in playoffs100.0*Average seed
Boca Juniors 3 Bolivar 1 +34.2
+0.6
Racing 4 Deportivo Cali 2 -2.3
-0.0
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Racing 0 Boca Juniors 1 In
+0.7
Week of 4/19100.0*Chance in playoffs100.0*Average seed
Boca Juniors 6 Deportivo Cali 2 +0.2
Bolivar 1 Racing 1 +0.1
Points
Chance Will Make Playoffs