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 -13.3
-0.6
Wave 0 Heat 1 +5.4
+0.1
Goldrush1 1 Empire 0 +0.9
+0.2
Leafs 1 Kings 0 +0.3
+0.1
OC1 1 Gulls1 0 -0.1
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Flyers 0 Oilers 1 Out
-0.4
Ducks 0 Wave 1 Out
-0.2
Empire 1 Goldrush2 0 -0.2
Games Above .500
Chance Will Make Playoffs