How are these numbers calculated?

Big Games

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

Thursday100.0*Chance in playoffs100.0*Average seed
Washington 4 Florida 2 -8.8
-1.1
Nashville 2 Dallas 0 +2.0
Colorado 2 Columbus 5 +1.5
Philadelphia 2 Buffalo 1 +1.3
Los Angeles 5 San Jose 6 (so)-0.4
-0.2
Ottawa 1 Boston 3 +0.2
If winner is:HomeHome OTHome SOAway SOAway OTAway
Friday100.0*Chance in playoffs100.0*Average seed
St. Louis vs Phoenix+0.1-0.1-0.1-0.1-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs123456789101112131415161718192021222324252627282930Count
9410-0In32347271,073,384
9300-1In3862261,736
9201-0In5050811,808
Total:In1122840192,146,928
Points
Chance Will Make Playoffs