How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
Moose Jaw 1 Erie 2 +12.8
+0.1
Saturday100.0*Chance in playoffs100.0*Average seed
Erie 1 Los Angeles 0 (ot)In
+0.5
Los Angeles 1 Denver 0 -18.9
-0.2
Points
Chance Will Make Playoffs