How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Anaheim 1 Dallas 2 (so)+0.2
Chicago 2 Minnesota 1 (so)-0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Average seed
St. Louis vs Chicago+0.2+0.1+0.1-0.3-0.3-0.3

What If

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

100100100100100100100100100100100100100100100100
If finish:Chance inPresChance will finish regular season at seed
TPWL-OTplayoffsTrophy12345678910111213141516Count
10210-0InNo78226,403,196
10100-1InNo63372,506,801
10001-0InNo25755,853,383
Total:InNo554514,763,380
Points
Chance Will Make Playoffs