How are these numbers calculated?

Big Games

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

Week of 3/11100.0*Chance in playoffs100.0*Average seed
Blackhawks 6 Canadiens 4 +2.4
If winner is:HomeAway
Week of 3/18100.0*Chance in playoffs100.0*Average seed
Canadiens vs Stars-25.0+25.0
-0.7+0.7
Rangers vs Jets+12.5-12.5
+0.1-0.1
Flyers vs Blackhawks+12.5-12.5
+0.2-0.2

What If

Chances based on how well the Stars finish out the regular season.   Explain

100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456Count
82-0-0In662319,664,056
5.51-1-050.0%505019,258,915
30-2-0Out1009,658,969
Total:50.0%21633252538,581,940
Points
Chance Will Make Playoffs