SV(The difference between the budgeted cost of work performed [BCWP] and the budgeted cost of work scheduled [BCWS]. This is calculated as follows: SV = Budgeted Cost of Work Performed – Budgeted Cost of Work Scheduled; The difference between the budgeted cost of work performed [BCWP] and the budgeted cost of work scheduled [BCWS]. This is calculated as follows: SV = Budgeted Cost of Work Performed - Budgeted Cost of Work Scheduled)