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 +6.7
+0.1
Week of 5/3None
Week of 5/10100.0*Chance in playoffs100.0*Average seed
Santos 6 Bolivar 0 +18.3
+0.2
LDU 1 Danubio 1 +2.5
+0.4
Points
Chance Will Make Playoffs