TTM20172016201520142013
Restaurant-level operating marginN/AN/A-13.5%-5.5%-2.2%2.0%
Restaurant-level operating margin growth (bps)N/AN/A-799-334-415291
Operating margin35.4%51.9%50.0%39.4%45.3%42.7%
Operating margin growth (bps)-1901911,063-585257631
Net profit margin30.3%40.8%23.6%13.0%23.6%20.6%
Net profit margin growth (bps)1,2371,7181,062-1,058298412

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