How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Pittsburgh 5 NY Rangers 2 +0.3
Philadelphia 2 Buffalo 1 -0.1
Detroit 1 New Jersey 2 +0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Friday100.0*Average seed
St. Louis vs Phoenix-0.1-0.1-0.1+0.1+0.1+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs123456789101112131415161718192021222324252627282930Count
10810-0In24761,074,120
10700-1In1486260,924
10601-0In100811,884
Total:In14862,146,928
Points
Chance Will Make Playoffs