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
New York 0 Columbus 1 -3.3
Moose Jaw 1 Erie 2 +2.5
+0.0
Moose Jaw 5 Columbus 3 +0.5
Saturday100.0*Chance in playoffs100.0*Average seed
Los Angeles 1 Denver 0 +30.6
+1.2
Columbus 1 Denver 0 -9.1
-0.1
Erie 1 Los Angeles 0 (ot)-6.1
+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 +0.3
Chicago 1 New York 0 +0.1
Points
Chance Will Make Playoffs