How are these numbers calculated?

Big Games

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

Week of 8/22100.0*Chowder Cup100.0*Average seed
Warhawks 2 LordStanleysCup 5 +24.4
+0.7
Hellfish 2 Spitfires 1 -1.3
+0.2
Week of 8/29100.0*Chowder Cup100.0*Average seed
Hellfish 4 LordStanleysCup 9 Yes
+0.6
Points
Chance Will Make Playoffs