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 -28.2
+19.5
-1.2
WITM 54.5 SS 64.96 +2.4
-0.2
+0.1
SF 71.78 BBR 81.42 -2.1
+0.6
DYE 81.68 OW 69.96 -0.5
IS 97.1 CC 58.1 +0.4
-1.0
PF 87.98 FRAT 67.2 -0.0
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Loser's Bracket100.0*Average seed
NR vs DYE+23.0-23.0
-37.1+37.1
+1.2-1.2
BBR vs WITM+4.2-7.7
-1.7+3.2
+0.1-0.1
CC vs SF+5.1-3.7
-3.2+2.3
+0.1-0.1
DEM vs IS-5.1+2.8
+3.1-1.7
-0.2+0.1
OW vs PF+3.0-0.8
+3.0-0.8
-0.2+0.0

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedLoser's
TWW-Lplayoffs123456789101112BracketCount
72-096.9%747433No6,975,647
61-122.52203331121013.2%25,054,409
50-2Out76324793.218,109,352
Total:24.7%18161718299240.3%50,139,408
Games Above .500
Chance Will Make Playoffs