How are these numbers calculated?

Big Games

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

Week of 3/9100.0*Chance wins title100.0*Average seed
CAR 5 BEL 2 No
-0.2
NOT 2 SHE 4 -0.1
+0.1
COV 6 NOT 1 +0.1
+0.2
Week of 3/13100.0*Chance wins title100.0*Average seed
BEL 5 CAR 2 +0.2
SHE 4 NOT 3 +0.1
NOT 5 COV 0 -0.1
CAR 4 BEL 3 (ot)+0.0
SHE 6 COV 3 +0.0
Points
Chance Will Win Championship