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 5 Columbus 3 -27.9
-1.0
New York 0 Columbus 1 +4.1
+0.1
Moose Jaw 1 Erie 2 +1.3
+0.0
Saturday100.0*Chance in playoffs100.0*Average seed
Erie 1 Los Angeles 0 (ot)+15.7
+0.2
Los Angeles 1 Denver 0 -10.5
-0.1
Columbus 1 Denver 0 +5.6
+0.1
Chicago 0 Orange County 1 +3.1
+0.1
Sunday100.0*Chance in playoffs100.0*Average seed
Orange County 4 Moose Jaw 0 +0.1
Points
Chance Will Make Playoffs