Bluebulb Projects' The Measure of Things presents:
33,000 is about nine-tenths the number of Seats in Fenway Park.
In other words, it's 0.89018 times the count of Seats in Fenway Park, and the count of Seats in Fenway Park is 1.1234 times that amount.
(2013 figures; daytime capacity) (a.k.a. The Cathedral of Boston) (Boston, Massachusetts)