TTM20172016201520142013
Restaurant-level operating margin10.7%10.7%14.0%16.2%18.0%18.4%
Restaurant-level operating margin growth (bps)-331-331-226-172-44-37
Operating margin-11.8%-11.8%-12.4%-3.0%0.8%3.2%
Operating margin growth (bps)6161-940-380-235-241
Net profit margin-13.1%-13.1%-12.8%-3.1%0.6%2.8%
Net profit margin growth (bps)-33-33-962-373-217-222

Notes:Restaurant-level operating margin represents restaurant-level operating income, which equals company-operated restaurants sales minus company-operated restaurant costs, which includes cost of goods sold (food, beverage and packaging), labor, occupancy and other operating costs, expressed as a % of company-operated restaurant sales