How are these numbers calculated?

Big Games

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

Week of 3/7100.0*Chance in playoffs100.0*Average seed
Bari 91 8 Indy 6 -19.6
-0.5
FC Tryzub 11 Ann Arbor 4 -1.7
-0.1
Mit West 6 Cadence 8 -0.2
If winner is:HomeDrawAway
Week of 3/14100.0*Chance in playoffs100.0*Average seed
Ann Arbor vs Indy-16.3-3.7+17.7
-0.4-0.1+0.4
Bari 91 vs Mit West-10.7+1.6+10.1
-0.2+0.0+0.1
Cadence vs Grand Rapids+4.0+0.6-4.2
+0.1+0.0-0.1
Cadence vs Columbus-0.7+0.3+0.6

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345Count
264-0-0In742608,946,223
243-1-099.8%216513014,201,474
233-0-198.8136224135,511,405
222-2-095.24504158,514,690
212-1-182.929541742,589,887
202-0-268.117513253,257,108
1-3-073.02053272,267,284
191-2-152.084448017,024,906
181-1-237.033462142,590,976
0-4-041.5338571227,258
171-0-320.312075435,505,452
0-3-124.21237232,269,153
160-2-29.30979128,509,164
150-1-34.65752114,200,653
140-0-41.2166338,949,847
Total:58.9%52133383294,565,480
Points
Chance Will Make Playoffs