TTM20162015201420132012
Restaurant-level operating margin-3.6%-4.6%-0.2%-0.3%-0.3%14.4%
Restaurant-level operating margin growth (bps)-218-43955-1,46769
Operating margin31.6%34.0%35.8%33.2%33.4%25.5%
Operating margin growth (bps)-225677-23792319
Net profit margin13.9%15.5%15.4%5.6%11.2%15.0%
Net profit margin growth (bps)-1415984-568-378803

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