How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 10/6100.0*Chance in playoffs100.0*Average seed
Josh 50 Bill 56 -12.5
-0.9
Babs 91 Josh 71 -11.9
-0.8
Jake 82 Zach 78 -1.4
-0.1
Jake 89 Brandon 69 -1.3
Kyle 47 Bill 64 +0.9
Zach 65 Jason 66 -0.8
Yarroch 71 Daryll 46 -0.5
Jason 68 Brandon 61 -0.5
Daryll 38 Chris 58 -0.4
-0.1
Babs 80 Kyle 53 +0.3
Fitz 48 Yarroch 99 -0.2
Chris 52 Fitz 68 +0.0
If winner is:HomeTieAway
Week of 10/19100.0*Chance in playoffs100.0*Average seed
Fitz vs Josh-10.9-4.4+11.0
-0.8-0.2+0.8
Kyle vs Zach-1.2-0.5+1.3
Yarroch vs Bill-1.1-0.5+1.1
-0.0-0.0+0.1
Babs vs Jake+1.0-1.1-0.9
+0.1-0.1-0.0
Chris vs Brandon-0.5-0.3+0.6
Jason vs Daryll+0.1-0.4-0.1
+0.1-0.0-0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-L-Tplayoffs123456789101112Count
187-0-0100.0%602320150057,279
176-0-1100.01729111403011,531
166-1-099.98231524670391,281
5-0-2In7191515071,023
155-1-196.30310544354071,082
4-0-3In7139472468
145-2-083.301652844152001,171,942
4-1-281.2054244717205,443
134-2-129.6001325452330178,871
3-1-338.0133442182213
124-3-010.7001193338162001,952,428
3-2-28.500083240182010,721
2-1-4Out1002
113-3-10.30000526442220237,646
2-2-30.3062840222329
103-4-00.0001933411511,951,671
2-3-20.0018324315110,992
1-2-4Out251338258
92-4-1Out011044405178,816
1-3-3Out11142425236
0-2-5Out1001
82-5-0Out0022352231,171,127
1-4-2Out022253235,540
0-3-4Out1003
71-5-1Out09533871,048
0-4-3Out5484842
61-6-0Out023266390,073
0-5-2Out131681,080
50-6-1Out0247611,760
40-7-0Out099157,224
Total:22.3%1121710121314161587,939,480
Games Above .500
Chance Will Make Playoffs