When all subtasks in Microsoft Project are milestones, the summary task percent complete is always 0% unless all the subtasks are 100%. The workaround in this tutorial will display a % complete based on number of milestones completed.

By default, Microsoft Project does not display task % complete numbers with decimal places. In this tutorial, you will learn how to add decimal places to % complete using custom fields.

The workaround in this tutorial is for Primavera P6 Users looking for ways to display a baseline % complete column in Microsoft Project. This workaround also shows how to roll-up summary tasks % complete.