How are these numbers calculated?

Big Games

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

Week of 4/19100.0*Chance in playoffs100.0*Average seed
Reds 19 Brumbies 19 +0.8
+0.1
Crusaders 24 Highlanders 8 -0.7
Hurricanes 22 Force 20 -0.6
Kings 0 Bulls 34 -0.4
Waratahs 25 Chiefs 20 -0.3
-0.0
Sharks 6 Cheetahs 12 +0.1
If winner is:HomeDrawAway
Week of 4/26100.0*Chance in playoffs100.0*Average seed
Brumbies vs Force+9.0+1.4-9.1
+0.8-0.1-0.8
Cheetahs vs Kings-0.7+0.3+0.7
Reds vs Blues-0.5-0.1+0.5
-0.2+0.0+0.2
Bulls vs Waratahs+0.4+0.2-0.4
+0.0+0.0-0.1
Hurricanes vs Stormers-0.2+0.6+0.1
Crusaders vs Rebels-0.4+0.1+0.4
Chiefs vs Sharks-0.1*+0.0+0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs123456789101112131415Count
567-0-0In1001,785,251
546-1-0In99111,010,230
526-0-1In9720112,147,741
5-2-0In96301253,120
505-1-1In8780506,068,432
4-3-0In86905035,365
485-0-2In7419160036,431,242
4-2-1In71211701,264,531
3-4-0In6921182,955
464-1-2In44323211015,176,085
3-3-1In443332110140,170
2-5-0In3438226159
444-0-3100.0%2241122320060,710,126
3-2-2100.0194013253002,530,150
2-4-1In17411425308,669
1-6-0In67333
423-1-399.942517351620020,230,622
2-3-299.9425183516200210,290
1-5-1In2262034172286
403-0-498.101029202712200060,718,636
2-2-397.5082719301420002,529,324
1-4-297.008271730143008,650
0-6-1In33673
382-1-477.201125243418400015,177,799
1-3-376.901135243419400140,381
0-5-272.2114521322251162
362-0-531.30904183326910036,421,371
1-2-427.00703173328112001,266,633
0-4-325.5070316322911202,869
341-1-53.701002143233142006,065,743
0-3-43.51021432331530034,876
321-0-60.30001724382450012,152,676
0-2-50.200016233826600251,679
300-1-60.000017264023401,010,586
280-0-70.00004214228501,783,665
Total:82.5%2317121497643211000295,570,480
Games Above .500
Chance Will Make Playoffs