Please show work

A market value weighted index has three stocks in it, call them A, B, and C, priced at 88, 78, and 63 per share. Each firm has 409, 385 and 494 thousand shares outstanding, respectively. The value of the index at that time is 750. Over the course of the next quarter, the prices of the three stocks change to 43, 46, 41, respectively. What is the new value of the index?

Enter answer accurate to two decimal places.