How are these numbers calculated?

Big Games

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

Week of 8/18None
Week of 8/23100.0*Average seed
DudleyAvalanche 1 LordStanleysCup 6 -0.2
Nordekes 4 Hellfish 4 -0.1
Week of 8/31100.0*Average seed
PondScum 6 UnionTavern 0 +0.7
Hellfish 3 Jackals 2 -0.6
Nordekes 5 LordStanleysCup 3 +0.4
Points
Chance Will Make Playoffs