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 -24.2
+18.2
-1.2
WITM 54.5 SS 64.96 +3.9
-0.6
+0.2
SF 71.78 BBR 81.42 -1.1
+0.5
DYE 81.68 OW 69.96 -0.4
IS 97.1 CC 58.1 +0.2
-2.0
PF 87.98 FRAT 67.2 -0.2
-0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Loser's Bracket100.0*Average seed
NR vs DYE+30.4-30.4
-32.6+32.6
+1.3-1.3
BBR vs WITM+6.1-6.1
-3.9+3.9
+0.1-0.1
CC vs SF+4.6-4.6
-3.3+3.3
+0.1-0.1
DEM vs IS-3.5+3.5
+4.6-4.6
-0.2+0.2
OW vs PF+1.2-1.2
+0.3-0.3

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
72-093.8%841456No3,858,081
61-118.83162631203023.8%7,711,682
50-2Out552331094.53,856,965
Total:32.8%2121915172310335.5%15,426,728
Games Above .500
Chance Will Make Playoffs