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
Racing 4 Deportivo Cali 2 +20.3
+0.5
Boca Juniors 3 Bolivar 1 -1.0
-0.0
Week of 4/12100.0*Chance in playoffs100.0*Average seed
Racing 0 Boca Juniors 1 -16.3
-0.5
Deportivo Cali 1 Bolivar 1 -6.1
-0.1
Week of 4/19100.0*Chance in playoffs100.0*Average seed
Bolivar 1 Racing 1 In
+0.4
Boca Juniors 6 Deportivo Cali 2 -0.3
Points
Chance Will Make Playoffs