The Kendikei Literary Guild is planning its annual gala. The gala committee has assembed the following expected costs for the event:

Dinner (per person)				$ 21
Favors and program (per person)				$ 2
Band				$ 1,275
Rental of ballroom				$ 510
Professional entertainment during intermission				$ 1,020
Tickets and advertising				$ 2,295

The committee members would like to charge $40 per person for the evening's activities.

If the committee sells 360 tickets, what is its margin of safety percentage? Round your answer to the closest whole percent. Do not include a percent sign in your response.