How are these numbers calculated?

Big Games

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

Week of 2/14100.0*Chance in playoffs100.0*Average seed
Ice_Hawks_White 3 Rebels 5 +0.5
Week of 2/20100.0*Chance in playoffs100.0*Average seed
Kings 3 Ice_Hawks_Gold 2 +17.6
+0.4
Ice_Hawks_White 6 Stars 4 +9.6
+0.2
Colonials 2 Grizzlies_Blue 4 -7.9
-0.2
Ice_Hawks_White 3 Colonials 2 -2.1
-0.0
Week of 2/27100.0*Chance in playoffs100.0*Average seed
Grizzlies_Blue 3 Kings 0 Out
-0.2
Points
Chance Will Make Playoffs