Lets start out by creating a simple test table. SUM ABOVE adds the numbers in the column above the cell youre in. To add the formula in the Word table do the following.
The first row is Row 1 the second row is Row 2 etc.
Design and Layout. Then click the tables Layout contextual tab in the Ribbon. Enter the values youll be calculating into a table. Place your insertion point in an empty cell at the bottom of the Total column insert an extra row if you need to.