How are these numbers calculated?

Big Games

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

Wednesday, 1/20100.0*Chance in playoffs100.0*Average seed
Middaugh 8 Auld 7 -19.1
-0.8
Auld 7 Kean 6 +9.2
+0.4
Flaxey 8 Morrissey 5 +2.9
+0.2
Hastings 7 Tippin 6 +2.6
+0.1
Middaugh 4 Harrison 6 +1.6
Morrissey 4 Hastings 8 +1.4
+0.1
Harrison 8 Tippin 5 +1.4
Kean 3 Homan 8 +0.3
Homan 8 Hanna 7 +0.2
Hanna 6 Flaxey 4 -0.1
Thursday, 1/21100.0*Chance in playoffs100.0*Average seed
Auld 6 Harrison 5 +23.4
+1.0
Flaxey 6 Hastings 4 +5.6
+0.2
Morrissey 4 Kean 7 +5.0
+0.2
Auld 4 Homan 7 -4.8
-0.2
Hastings 4 Hanna 10 +4.4
+0.1
Morrissey 5 Harrison 9 +2.1
+0.1
Hanna 6 Middaugh 5 +2.1
+0.1
Tippin 9 Middaugh 8 +1.2
+0.1
Kean 3 Tippin 7 -1.2
-0.0
If winner is:HomeAway
Friday, 1/22100.0*Chance in playoffs100.0*Average seed
Tippin vs Auld-22.6+22.6
-1.1+1.1
Flaxey vs Auld-25.1+9.6
-1.0+0.4
Hanna vs Kean-4.2+10.9
-0.1+0.3
Hanna vs Morrissey-4.1+10.6
-0.1+0.3
Harrison vs Hastings-5.2+8.2
-0.2+0.3
Harrison vs Flaxey-3.1+8.1
-0.1+0.2
Middaugh vs Homan-7.5+0.6
-0.2+0.0
Tippin vs Morrissey+0.8-2.2
Middaugh vs Kean-0.7+1.1
-0.1+0.1
Hastings vs Homan+0.2-0.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
62-0In1005,757,943,452
51-180.7%10323918107,962,231,091
40-25.105285214102,212,149,737
Total:77.2%41162013820015,932,324,280
Games Above .500
Chance Will Make Playoffs