Solution : https://service.sap.com/sap/support/notes/1021605 (SAP Service marketplace login required)
Key words : 
rounded actual sales ratios, slow seller analysis reason, slow seller analysis, slow seller management, incorrect data type, source code correction, relevant support package, terms /map/p03, /map/ssm02, implemented note 823758
Related Notes : 
       
| 823758 | Runtime error COMPUTE_BCD_OVERFLOW in slow seller analysis |