How are these numbers calculated?

Big Games

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

Week of 4/3100.0*Chance in playoffs100.0*Average seed
Junior 3 Universidad Catolica 0 +8.1
+0.1
Week of 4/10100.0*Chance in playoffs100.0*Average seed
Union Espanola 2 Bolivar 1 -17.0
-0.7
Week of 4/17100.0*Chance in playoffs100.0*Average seed
Bolivar 3 Universidad Catolica 0 In
+0.8
Points
Chance Will Make Playoffs