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 +0.2
Yes
-0.8
+0.1
Free Ballin 58 Austin Tropics 49 -0.2
-1.7
+0.8
-0.3
Knights 56 Migos 68 +0.1
+0.9
-0.5
+0.1
Used To Be Good 49 Size Matters 47 +0.1
Week of 3/13100.0*Chance wins title100.0*Playoffs100.0*Bottom Half100.0*Average seed
Size Matters 78 Austin Tropics 52 -0.1
Week of 3/20None
Games Above .500
Chance Will Win Championship