How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Chance in playoffs100.0*Average seed
Metheny 85.6 M Crouch 89.7 +11.8
+0.6
Barnett 123.8 Vanzant 147.1 -2.5
-0.1
Smith 131.4 S Crouch 97.7 +1.6
-0.1
Purvis 81.4 McNichols 87.3 -0.5
-0.1
Lippincott 149.4 Salsberry 111.8 -0.5
If winner is:HomeAway
Week of 11/16100.0*Chance in playoffs100.0*Average seed
M Crouch vs PurvisIn-4.4
+0.5-0.5
Vanzant vs Smith-4.4In
+0.1-0.1
McNichols vs Barnett-0.4+0.4
-0.2+0.2
Salsberry vs Metheny-0.1+0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
92-0In2155236,432,542
81-1In115562912,851,950
70-282.3%1171186,433,448
Total:95.6%6213632425,717,940
Games Above .500
Chance Will Make Playoffs