How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Wednesday, 2/29100.0*Chance in playoffs100.0*Average seed
Princes 5 Tsunamis 0 +17.6
+0.3
LAHC 3 Squares 1 +15.8
+0.2
Dynasty 2 Trails 1 (ot)-0.5
+0.0
Thursday, 3/1100.0*Chance in playoffs100.0*Average seed
Squares 1 Tsunamis 0 -23.4
-0.2
Princes 2 LAHC 0 In
+0.7
Trails 0 Islanders 1 +0.2
Points
Chance Will Make Playoffs