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
Oilers 7 National 3 -0.9
-0.5
Thrashers 7 Thunder 2 -0.5
-0.2
Canadiens 1 Senators 2 -0.2
Saturday100.0*Chance in playoffs100.0*Average seed
Scouts 5 Canadiens 2 -4.7
-0.2
Gold Kings 1 North Stars 4 In
+0.2
Red Wings 3 Thrashers 4 (ot)-0.4
Sunday100.0*Chance in playoffs100.0*Average seed
National 6 Scouts 4 +0.6
Rink Rats 4 Rebels 6 +0.2
Points
Chance Will Make Playoffs