How are these numbers calculated?

Big Games

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

Week of 10/22100.0*Chance in playoffs100.0*Average seed
SJK 1 Ilves 3 -25.4
-0.6
HIFK 1 RoPS 0 -6.3
-0.2
Week of 10/31100.0*Chance in playoffs100.0*Average seed
TPS 1 SJK 0 Out
-0.5
IFK Mariehamn 0 HJK 5 +0.0
Week of 11/4100.0*Chance in playoffs100.0*Average seed
RoPS 2 SJK 3 +0.6
Points
Chance Will Make Playoffs