Talk:Jimmie Johnson Championship/@comment-93.103.154.255-20170326134138/@comment-29898480-20170326230510

Chriscar, based on the Series data above, PR 50 gets you ~71%

15 full tiers plus 16.1 and 16.3. 45 + 2 = 47.  47/66 = 71.2%

PR 51 gives you 6 more races, 53/66 = 80.3%