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Use the transaction KE30 and choose the report ZZZ-SOLV01

Enter 

1. the reporting currency = 10
2. the period
3. the company code
4. the plant code
5. the IECRA (when applicable)
6. select : "Classic drilldown report"

To have the detail of the value field D45 VC CC Variance => click on the amount, right click and select "Line items" or click F9

Use the lay out /D45 CC VAR to have the variance by cost center 

To have the detail of the cost centers, you can use the transaction S_ALR_87013611 

Enter :

1. the controlling area
2. the period
3. the list of cost centers you want to analyse

Double click on the amount you want to analyse

Fill you the variance template with your analysis