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 -0.5
Calgary 3 Vancouver 2 +0.2
If winner is:HomeHome OTHome SOAway SOAway OTAway
Friday100.0*Average seed
St. Louis vs Phoenix-0.2-0.2-0.2+0.2+0.2+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs123456789101112131415161718192021222324252627282930Count
11110-0In75251,073,919
11000-1In315019261,846
10901-0In94448811,163
Total:In4535202,146,928
Points
Chance Will Make Playoffs