How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
LEA 10 hwl 1 +1.1
+0.1
CDC 10 LAF 4 -0.2
UYH 4 Met 8 -0.2
OhT 6 DSI 3 +0.1
If winner is:HomeAway
Saturday100.0*Chance in playoffs100.0*Average seed
LEA vs hwl+1.0-1.0
+0.1-0.1
UYH vs Met+0.2-0.2
CDC vs LAF-0.2+0.2
OhT vs DSI+0.1-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
109-139In1001,114*
10863-31In1000735
10762-32In1001,468
10661-33In10002,714
10560-34In10004,802
10459-35In9918,079
10358-36In991013,304
10257-37In982020,670
10156-38In973030,998
10055-39In9550044,679
9954-40In9370061,176
9853-41In89110080,750
9752-42In841600101,943
9651-43In782100123,405
9550-44In712801142,779
9449-45100.0%6236020158,026
9348-46100.05343130169,295
9247-47100.042512600172,366
9146-4899.932563900168,727
9045-4999.7225861400159,106
8944-5099.21355102110142,577
8843-5197.97471529200123,440
8742-5294.6335193750102,047
8641-5387.71222243121080,680
8540-5475.301221432230061,119
8439-5557.00417353481044,710
8338-5635.211123422030031,342
8237-5716.506103634121020,759
8136-585.80332139267113,296
8035-591.9118283820408,209
7934-600.700213343414204,843
7833-610.10015193729912,670
7732-62Out018253822501,436
7631-63Out013103435152751
7530-64Out242340266360
7429-65Out614313613161
7328-66Out4523422674
7227-67Out7623129
7126-68Out66335618
7025-69Out4020405
6924-70Out25754
45-68Out100437*
Total:94.2%4433612311000002,105,103

* Row combines multiple less frequent records.

Games Above .500
Chance Will Make Playoffs