How are these numbers calculated?

Big Games

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

Thursday100.0*Average seed
Washington 4 Florida 2 +0.2
Ottawa 1 Boston 3 +0.2
Los Angeles 5 San Jose 6 (so)-0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Friday100.0*Average seed
St. Louis vs Phoenix+0.3+0.1+0.1-0.2-0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs123456789101112131415161718192021222324252627282930Count
9610-0In75251,074,021
9500-1In6337261,230
9401-0In19810811,677
Total:In38273502,146,928
Points
Chance Will Make Playoffs