sql - Pivot table -/+ aggregation -


i'm having trouble below query. need find percentage increase or decrease between years enrollment. reason i'm getting multiple line items , output incorrect. script runs fine produces incorrect results

script:

with    cte           ( select   *                    ( select    distinct                                     dt.year ,                                     db.business_code ,                                     db.business_name ,                                     dt.time_key ,                                     fes.total_enrollment                               fact                                     fes                                     left outer join building                                     db on fes.building_key = db.building_key                                     left outer join mart.time                                     dt on fes.time_key = dt.time_key                          ) source pivot     ( sum(total_enrollment) [year] in ( [2012], [2011], [2010], [2009],                                             [2008] ) ) pvt              )     select  company_code ,             company_name ,             [2012] ,             ( case when [2011] <> 0                    convert(decimal(18, 2), ( [2012] - [2011] )                         / convert(decimal(18, 2), ( [2011] ))) * 100               end ) '% degree -/+' ,              [2011] ,             ( case when [2010] <> 0                    convert(decimal(18, 2), ( [2011] - [2010] )                         / convert(decimal(18, 2), ( [2010] ))) * 100               end ) '% degree -/+' ,             [2010] ,             ( case when [2009] <> 0                    convert(decimal(18, 2), ( [2010] - [2009] )                         / convert(decimal(18, 2), ( [2009] ))) * 100               end ) '% degree -/+' ,             [2009] ,             ( case when [2008] <> 0                    convert(decimal(18, 2), ( [2009] - [2008] )                         / convert(decimal(18, 2), ( [2008] ))) * 100                end                ) '% degree -/+'        cte     order company_name

heres sql output: enter image description here

here desired output: enter image description here

thank help...


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