How are these numbers calculated?

Big Games

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

Saturday, 1/11100.0*Chance in playoffs100.0*Loser's Bracket100.0*Average seed
DEM 82.78 NR 32.2 +17.5
-27.4
+1.2
SF 71.78 BBR 81.42 +2.0
-2.5
+0.1
DYE 81.68 OW 69.96 -1.8
+0.3
WITM 54.5 SS 64.96 +1.0
-0.2
+0.0
IS 97.1 CC 58.1 +0.1
-1.4
+0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Loser's Bracket100.0*Average seed
DEM vs IS+15.2-8.2
-18.7+10.1
+0.8-0.4
BBR vs WITM+3.7-6.9
-0.7+1.2
+0.1-0.2
NR vs DYE+5.0-5.0
+8.0-8.0
CC vs SF-5.1+3.7
+1.6-1.2
-0.2+0.1
OW vs PF+3.3-0.9
+6.5-1.8
-0.1+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedLoser's
TWW-Lplayoffs123456789101112BracketCount
72-096.5%773174No8,789,384
61-150.019312918303.4%25,056,347
50-2Out3304616466.316,293,677
Total:41.9%122181619175123.3%50,139,408
Games Above .500
Chance Will Make Playoffs