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
Free Ballin 58 Austin Tropics 49 +0.2
Yes
-2.7
+0.4
Used To Be Good 49 Size Matters 47 -0.1
Tall Boys 120 En Fuego 71 Yes
Knights 56 Migos 68 -0.1
+0.0
Week of 3/13100.0*Chance wins title100.0*Playoffs100.0*Bottom Half100.0*Average seed
Migos 72 Tall Boys 74 +0.2
-2.7
+0.1
Injured Reserves 73 Knights 60 +0.0
-0.5
+0.1
Size Matters 78 Austin Tropics 52 +0.0
-0.6
En Fuego 42 Used To Be Good 81 +0.1
Week of 3/20100.0*Chance wins title100.0*Playoffs100.0*Bottom Half100.0*Average seed
Tall Boys 73 Injured Reserves 66 +0.1
Migos 58 Used To Be Good 48 -0.0
+0.7
En Fuego 54 Size Matters 78 -0.1
Games Above .500
Chance Will Win Championship