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 +0.4
+0.0
Week of 2/20100.0*Chance in playoffs100.0*Average seed
Ice_Hawks_White 6 Stars 4 -12.5
-0.6
Colonials 2 Grizzlies_Blue 4 -3.9
-0.1
Ice_Hawks_White 3 Colonials 2 -2.5
-0.1
Kings 3 Ice_Hawks_Gold 2 +1.9
Week of 2/27100.0*Chance in playoffs100.0*Average seed
Stars 5 Ice_Hawks_Gold 3 In
+1.2
Grizzlies_Blue 3 Kings 0 -0.2
Points
Chance Will Make Playoffs