How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Friday, 12/20100.0*Chance wins title100.0*Average seed
Moose Jaw 4 Orange County 1 -1.4
-0.0
Orange County 2 Moose Jaw 3 -0.4
-0.0
Saturday, 12/21100.0*Chance wins title100.0*Average seed
Moose Jaw 0 Orange County 4 +15.9
+0.2
Sunday, 12/22100.0*Chance wins title100.0*Average seed
Orange County 0 Moose Jaw 1 No
-0.1
Games Above .500
Chance Will Win Championship