How are these numbers calculated?

Big Games

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

Week of 8/11100.0*Chance in playoffs100.0*Average seed
FraminghamJets 8 MoreysTavern 6 -3.0
-0.4
Badgers 4 Franklin 10 +1.6
+0.2
Dutchmasters 8 DragonSlayers 6 +0.1
Week of 8/18100.0*Chance in playoffs100.0*Average seed
FraminghamJets 9 Hagen 5 -13.2
-0.1
MoreysTavern 5 DragonSlayers 2 In
+0.8
Dutchmasters 8 Badgers 4 +1.6
+0.2
Week of 8/25100.0*Chance in playoffs100.0*Average seed
MadDogs 4 MoreysTavern 6 +0.2
Points
Chance Will Make Playoffs