diff --git a/samples/react-kanban-board/src/webparts/kanbanBoard/services/MockKanbanService.ts b/samples/react-kanban-board/src/webparts/kanbanBoard/services/MockKanbanService.ts
index 19800f066..294e2aa61 100644
--- a/samples/react-kanban-board/src/webparts/kanbanBoard/services/MockKanbanService.ts
+++ b/samples/react-kanban-board/src/webparts/kanbanBoard/services/MockKanbanService.ts
@@ -33,7 +33,7 @@ export default class MockKanbanService implements ISPKanbanService {
                         name: 'PercentComplete',
                         displayName: strings.PercentComplete,
                         type: KanbanTaskMamagedPropertyType.percent,
-                        value: 10*x
+                        value: x/10 /* 10/20 30 .. percent */
                     }
                 ]