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 +0.2
Pittsburgh 5 NY Rangers 2 +0.2
If winner is:HomeHome OTHome SOAway SOAway OTAway
Friday100.0*Average seed
St. Louis vs Phoenix+0.6+0.6+0.6-0.4-0.4-0.7

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
11120-0In100536,379
11010-1In255025262,443
10911-0In144739811,597
00-2In14473931,848
10801-1In5050197,586
10702-0In3862307,075
Total:In342528142,146,928
Points
Chance Will Make Playoffs