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
Wave 0 Heat 1 In
+1.0
Goldrush1 1 Empire 0 +2.9
OC2 1 Flyers 0 +2.8
-0.2
Leafs 1 Kings 0 +1.3
-0.1
OC1 1 Gulls1 0 -0.1
-0.2
Week of 3/4100.0*Chance in playoffs100.0*Average seed
Gulls2 0 OC1 1 -0.6
Gulls1 0 OC2 1 -0.6
Games Above .500
Chance Will Make Playoffs