How are these numbers calculated?

Big Games

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

Week of 4/2100.0*Chance in playoffs100.0*Average seed
Real Garcilaso 0 Tolima 3 -17.5
-0.4
Santa Fe 1 Cerro Porteno 0 -4.0
-0.1
Week of 4/9100.0*Chance in playoffs100.0*Average seed
Real Garcilaso 5 Cerro Porteno 1 +23.7
+0.4
Tolima 1 Santa Fe 2 +6.5
+0.0
Week of 4/16100.0*Chance in playoffs100.0*Average seed
Santa Fe 2 Real Garcilaso 0 -24.0
-0.6
Cerro Porteno 0 Tolima 0 In
+0.2
Points
Chance Will Make Playoffs