How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday100.0*Average seed
Calgary 3 Vancouver 2 +0.3
Pittsburgh 5 NY Rangers 2 +0.2
If winner is:HomeHome OTHome SOAway SOAway OTAway
Friday100.0*Average seed
St. Louis vs Phoenix+0.5+0.4+0.5-0.7-0.7-0.9

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs123456789101112131415161718192021222324252627282930Count
11120-0In100891,369
11010-1In104348253,928
10911-0In53659786,880
00-2In6365817,660
10801-1In4060110,871
10702-0In3070171,378
Total:In43183182,232,086
Points
Chance Will Make Playoffs