the following table sets forth information concerning increases in the total number of our aap stores during the past five years: .

2012: beginning stores: 3460
new stores ( 1 ): 116
stores closed: 2014
ending stores: 3576
2011: beginning stores: 3369
new stores ( 1 ): 95
stores closed: -4
ending stores: 3460
2010: beginning stores: 3264
new stores ( 1 ): 110
stores closed: -5
ending stores: 3369
2009: beginning stores: 3243
new stores ( 1 ): 75
stores closed: -54
ending stores: 3264
2008: beginning stores: 3153
new stores ( 1 ): 109
stores closed: -19
ending stores: 3243

( 1 ) does not include stores that opened as relocations of previously existing stores within the same general market area or substantial renovations of stores . store technology . our store-based information systems are comprised of a proprietary and integrated point of sale , electronic parts catalog , or epc , and store-level inventory management system ( collectively "store system" ) . information maintained by our store system is used to formulate pricing , marketing and merchandising strategies and to replenish inventory accurately and rapidly . our fully integrated system enables our store team members to assist our customers in their parts selection and ordering based on the year , make , model and engine type of their vehicles . our store system provides real-time inventory tracking at the store level allowing store team members to check the quantity of on-hand inventory for any sku , adjust stock levels for select items for store specific events , automatically process returns and defective merchandise , designate skus for cycle counts and track merchandise transfers . if a hard-to-find part or accessory is not available at one of our stores , the store system can determine whether the part is carried and in-stock through our hub or pdq ae networks or can be ordered directly from one of our vendors . available parts and accessories are then ordered electronically from another store , hub , pdq ae or directly from the vendor with immediate confirmation of price , availability and estimated delivery time . our centrally-based epc data management system enables us to reduce the time needed to ( i ) exchange data with our vendors and ( ii ) catalog and deliver updated , accurate parts information . we also support our store operations with additional proprietary systems and customer driven labor scheduling capabilities . all of these systems are tightly integrated and provide real-time , comprehensive information to store personnel , resulting in improved customer service levels , team member productivity and in-stock availability . we plan to start rolling out a new and enhanced epc in fiscal 2013 which is expected to simplify and improve the customer experience . among the improvements is a more efficient way to systematically identify add-on sales to ensure our customers have what they need to complete their automotive repair project . store support center merchandising . purchasing for virtually all of the merchandise for our stores is handled by our merchandise teams located in three primary locations : 2022 store support center in roanoke , virginia ; 2022 regional office in minneapolis , minnesota ; and 2022 global sourcing office in taipei , taiwan . our roanoke team is primarily responsible for the parts categories and our minnesota team is primarily responsible for accessories , oil and chemicals . our global sourcing team works closely with both teams . in fiscal 2012 , we purchased merchandise from approximately 450 vendors , with no single vendor accounting for more than 9% ( 9 % ) of purchases . our purchasing strategy involves negotiating agreements with most of our vendors to purchase merchandise over a specified period of time along with other terms , including pricing , payment terms and volume . the merchandising team has developed strong vendor relationships in the industry and , in a collaborative effort with our vendor partners , utilizes a category management process where we manage the mix of our product offerings to meet customer demand . we believe this process , which develops a customer-focused business plan for each merchandise category , and our global sourcing operation are critical to improving comparable store sales , gross margin and inventory productivity. .

Questions:
what were the number of stores at the end of 2011?
what was the number at the start of 2011?
what is the net change?
what was the number at the start of 2011?
what is the net change divided by the beginning 2011 number?

Answers:
3460
3369
91
3369
2.7%