The MMM Company uses the weighted-average method in its process costing system. For a particular department, the company had 56,500 equivalent units with respect to conversion costs in March. There were 7,500 units in the department's beginning work in process inventory, two thirds complete with respect to conversion costs. During March, 52,500 units were started and 50,000 were completed and transferred out of the department. The ending work in process inventory in the department was ______% complete with respect to conversion costs.