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 +9.7
+9.7
+0.1
Average Gang 2 Sammy 0 +8.6
+8.6
+0.1
JOHN CENA 1 Honorable Mention 1 *-0.3
*-0.3
Week of 3/1None

* 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