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
SF 71.78 BBR 81.42 +15.2
No
+1.1
DEM 82.78 NR 32.2 +2.9
+0.4
+0.1
WITM 54.5 SS 64.96 +1.9
+0.8
+0.1
PF 87.98 FRAT 67.2 -0.8
-0.1
DYE 81.68 OW 69.96 -0.3
IS 97.1 CC 58.1 -0.2
-0.8
-0.1
If winner is:HomeAway
Sunday, 1/12100.0*Chance in playoffs100.0*Loser's Bracket100.0*Average seed
BBR vs WITMIn-1.7
+0.7-0.7
NR vs DYE-1.4+1.4
-0.1+0.1
CC vs SF+0.9-0.9
DEM vs IS-0.9+0.9
+0.2-0.2
OW vs PF+0.2-0.2
FRAT vs SS+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seedLoser's
TWW-Lplayoffs123456789101112BracketCount
92-0In2341306No3,858,628
81-1In63756No7,710,087
70-293.2%13728267No3,858,013
Total:98.3%6132639772No15,426,728
Games Above .500
Chance Will Make Playoffs