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
Bolivar 2 LDU 2 -1.9
+0.1
Week of 5/3None
Week of 5/10100.0*Chance in playoffs100.0*Average seed
LDU 1 Danubio 1 In
+0.3
Santos 6 Bolivar 0 In
+0.6
Points
Chance Will Make Playoffs