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 Yes
+0.1
Games Above .500
Chance Will Win Championship