How are these numbers calculated?

Big Games

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

Week of 3/6100.0*Chance wins title100.0*Playoffs100.0*Bottom Half100.0*Average seed
Tall Boys 120 En Fuego 71 +0.4
Yes
-1.6
+0.1
Free Ballin 58 Austin Tropics 49 +0.4
Yes
-1.6
+0.3
Week of 3/13100.0*Chance wins title100.0*Playoffs100.0*Bottom Half100.0*Average seed
Injured Reserves 73 Knights 60 +0.1
Week of 3/20None
Games Above .500
Chance Will Win Championship