How are these numbers calculated?

Big Games

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

Week of 4/21100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Waratahs 24 Kings 26 +1.2
+1.2
+0.1
Force 7 Chiefs 16 +1.1
+1.1
+0.1
Hurricanes 56 Brumbies 21 +0.9
+0.9
+0.1
Sharks 6 Rebels 6 -0.7
-0.7
-0.2
Highlanders 40 Sunwolves 15 +0.0
If winner is:HomeDrawAway
Week of 4/28100.0*Chance in playoffs100.0*Home Quarterfinal100.0*Average seed
Reds vs Waratahs+6.3-4.1-10.6
+6.3-4.1-10.6
+1.1-0.7-1.8
Brumbies vs Blues-3.1+1.6+5.3
-3.1+1.6+5.3
-0.2+0.1+0.4
Force vs Lions-2.5-1.8+0.6
-2.5-1.8+0.6
-0.3-0.3+0.1
Kings vs Rebels+0.8+0.5-1.4
+0.8+0.5-1.4
+0.1+0.0-0.1
Chiefs vs Sunwolves+0.0-0.0-0.1
Cheetahs vs Crusaders-0.2-0.1+0.0

What If

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

100100100100100100100100100100100100100100100100100100
If finish:Chance inHomeChance will finish regular season at seed
TPW-OTLDplayoffsQuarterfinal123456789101112131415161718Count
367-000100.0%99.9%02080000003,701,879
346-00199.899.76940000001,218,624
326-01098.198.0494000110057,566,994
5-00297.397.149300120205,602
305-01194.994.7194002310018,423,057
4-00392.091.80910251017,292
285-02084.884.7084001113000405,644,058
4-01278.678.607802145002,224,057
3-00478.778.679011360760
264-02168.668.60690011115500093,469,298
3-01360.760.7061011418610133,518
2-00548.148.1481533427
244-03045.345.30450012271420001,279,776,915
3-02233.433.4033011331930008,094,761
2-01435.935.9360932194004,341
223-03120.120.120011635225000213,847,387
2-02314.014.01401163625710334,073
1-0157.77.781531341265
203-0406.36.3600931351630002,076,243,808
2-0322.52.5306273821500012,825,324
1-0242.52.5305273822506,520
182-0410.50.51004213828810242,229,072
1-0330.20.20031737321010329,026
0-025OutNo21039356849
162-0500.00.000018283920401,795,275,466
1-0420.00.00005244125509,119,298
0-034OutNo005244124402,982
141-051OutNo0032144293132,110,416
0-043OutNo021844333111,444
121-060OutNo00938476783,583,747
0-052OutNo007374962,369,384
100-061OutNo08573527,579,129
80-070OutNo35641136,333,331
Total:17.1%17.1%00170000381314131310827,302,781,704
Points
Chance Will Make Playoffs