How are these numbers calculated?

Big Games

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

Sunday100.0*Chance in playoffs100.0*Average seed
Dun 3 Fif 4 (so)-7.9
-0.1
She 3 Hul 2 -4.8
-0.3
Car 7 Edi 2 -1.6
-0.1
Cov 4 Not 3 -0.7
-0.1
Saturday100.0*Chance in playoffs100.0*Average seed
Bra 4 Fif 5 (so)-20.5
-0.3
She 2 Cov 0 +0.8
+0.1
If winner is:HomeHome OTHome SOAway SOAway OTAway
Sunday100.0*Chance in playoffs100.0*Average seed
Hul vs She+48.2+48.2+48.2+23.4+23.4Out
+0.7+0.7+0.7+0.2+0.2-0.7
Cov vs Car+4.9-2.3-2.4-21.8-21.8-2.4
+0.1-0.0-0.0-0.4-0.4-0.0
Fif vs Bra-4.0-4.1-4.0-1.1-1.1+4.9
-0.3-0.3-0.3+0.1+0.1+0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPWL-OTplayoffs12345678910Count
5210-096.5%4948348,460,305
5100-171.721502814,736,242
5001-0Out10055,493,953
Total:48.3%222652118,690,500
Points
Chance Will Make Playoffs