How are these numbers calculated?

Big Games

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

Week of 9/19100.0*Chance in playoffs100.0*Average seed
Austin 4 Kansas City II 0 -12.3
-0.1
San Antonio 2 OKC 0 +0.1
If winner is:HomeDrawAway
Week of 9/26100.0*Chance in playoffs100.0*Average seed
OKC vs Austin+18.9+8.4-17.4
+0.2+0.1-0.2
Tulsa vs OKC+12.7-15.1-23.5
+0.1-0.1-0.3
RGV vs Austin+23.0+13.2-12.3
+0.2+0.1-0.1
Tulsa vs San Antonio+24.6-1.4-10.0
+0.2-0.0-0.1

What If

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

100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs12345Count
284-0-0In10070,027,127
263-1-093.8%946166,325,868
253-0-185.88614226,115,577
242-2-061.96238137,053,467
232-1-156.65743334,649,480
222-0-239.84060169,703,764
1-3-031.9326847,853,696
211-2-116.41684162,364,977
201-1-211.91288159,116,926
0-4-010.010906,063,327
191-0-35.359548,151,239
0-3-12.739725,917,792
180-2-2Out95537,026,538
170-1-3Out91922,030,705
160-0-4Out74264,823,637
Total:51.1%514901,617,224,120
Points
Chance Will Make Playoffs

Lottery

Ye of little faith, already thinking about next year. Here are the big games and what ifs for draft seeds.

Big Games

Week of 9/19100.0*Lottery seed
Austin 4 Kansas City II 0 +0.5
Phoenix 2 San Diego 3 +0.1
If winner is:HomeDrawAway
Memphis vs North Carolina-0.0-0.0+0.1
Atlanta II vs New York II-0.1-0.0+0.1
RGV vs New Mexico-0.1-0.0+0.0
If winner is:HomeDrawAway
Week of 9/26100.0*Lottery seed
Tulsa vs OKC-0.8+0.8+1.5
Tulsa vs San Antonio-1.6+0.0+0.7
RGV vs Austin-0.9-0.5+0.4
OKC vs Austin-0.7-0.3+0.6
North Carolina vs Charlotte+0.1-0.0-0.0
Loudoun vs New York II-0.1-0.0+0.1
San Diego vs Phoenix+0.1+0.0-0.1
Birmingham vs North Carolina-0.0-0.0+0.1
Saint Louis vs Louisville+0.1+0.0-0.0

What If

100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100100
If finish:Chance will finish season at seed
TPW-D-L1234567891011121314151617181920212223242526272829303132333435
284-0-0002102534236
263-1-0001731553200
253-0-1001137226510
242-2-00035829171000
232-1-115604162110
222-0-240064590
1-3-0320751100
211-2-1165923200
201-1-21245358000
0-4-0104835700
191-0-352744212000
0-3-13304620200
180-2-2133936111000
170-1-32163632112000
160-0-4031432311651000
Total:0000127411362410310000000