How are these numbers calculated?

Big Games

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

Week of 2/26100.0*Chance in playoffs100.0*Average seed
Wings 3 Lightning 7 +24.8
+1.1
Wild 0 Predators 1 +2.7
+0.1
Sea Monsters 4 Sharks 8 +2.4
+0.2
Predators 7 Sea Monsters 4 -1.4
+0.2
Sea Monsters 1 Wings 0 +1.3
-0.0
Sharks 6 Bulls 7 (so)-1.2
-0.1
Week of 3/10100.0*Chance in playoffs100.0*Average seed
Ice Hawks 7 Sea Monsters 0 In
-0.1
Wings 3 Wild 8 +2.3
+0.1
Ice Hawks 3 Sharks 1 -0.1
Fireballs 1 Tigers 3 +0.0
Week of 3/18None
Points
Chance Will Make Playoffs