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
DYE 81.68 OW 69.96 -15.0
+28.1
-1.3
WITM 54.5 SS 64.96 +2.7
-3.0
+0.2
SF 71.78 BBR 81.42 +2.5
-3.3
+0.2
IS 97.1 CC 58.1 +1.0
-2.5
+0.1
PF 87.98 FRAT 67.2 -0.8
-0.6
+0.1
DEM 82.78 NR 32.2 +0.2
+3.0
-0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Loser's Bracket100.0*Average seed
OW vs PF+3.3Out
-17.9+17.8
+0.9-0.9
CC vs SF+2.4-2.4
-1.1+1.1
DEM vs IS-1.1+1.1
+1.9-1.9
-0.1+0.1
NR vs DYE+0.2-0.2
+0.6-0.6
BBR vs WITM-0.1+0.1
-4.3+4.3
+0.2-0.2
FRAT vs SS-0.2+0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedLoser's
TWW-Lplayoffs123456789101112BracketCount
62-013.0%211292921828.6%3,855,965
51-1Out627551193.67,711,759
40-2Out123850Yes3,859,004
Total:3.3%037101933151379.0%15,426,728
Games Above .500
Chance Will Make Playoffs