How are these numbers calculated?

Big Games

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

Week of 2/23100.0*Chance wins title100.0*Champion100.0*Average seed
BBC 0 Pakistani House 1 -12.4
-12.4
-1.0
Average Gang 2 Sammy 0 -7.5
-7.5
-0.1
JOHN CENA 1 Honorable Mention 1 *+1.8
*+1.8
+0.1
Week of 3/1100.0*Chance wins title100.0*Champion100.0*Average seed
Slippery Shafts 1 BBC 2 +0.5
Pakistani House 4 Honorable Mention 0 -0.1
JOHN CENA 2 Just Send It 0 -0.0
Average Gang 3 Smooth Brain 0 +0.0

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Games Above .500
Chance Will Win Championship