How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 2/25100.0*Chance in playoffs100.0*Average seed
OC2 1 Flyers 0 -4.4
-0.4
Wave 0 Heat 1 +1.6
Goldrush1 1 Empire 0 +0.2
+0.1
Leafs 1 Kings 0 +0.1
OC1 1 Gulls1 0 +0.0
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Flyers 0 Oilers 1 Out
-0.2
Ducks 0 Wave 1 Out
-0.0
Empire 1 Goldrush2 0 -0.2
Games Above .500
Chance Will Make Playoffs