![]() ![]() How is Schedule % Complete calculated in each scenario? A WBS Element s Schedule % Complete is calculated in a completely different way. Scenario 2 In this scenario, the Sample WBS Element has three Activities with Schedule % Completes less than 50%, but the Schedule % Complete of the WBS Element is 75%. Let s start by reviewing 2 possible scenarios: Scenario 1 How are these calculations possible? The Sample WBS Element has three Activities, they all have Schedule % Completes greater than zero, but the value for Sample WBS Element is 0! Before I reveal the answer, here s a contrasting scenario. Activity s Baseline Finish Schedule % Complete for WBS Elements And now, the story of how Schedule % Complete is calculated for WBS Elements. For Activities, Schedule % Complete is strictly calculated based on: 1 P a g e Reference: ΔΆ 1. Here s a formula to calculate Activity Schedule % Complete: Schedule % Complete (Act) = ( ) / ( ) The following diagram shows the Schedule % Complete of a single Activity for different Data Dates: And that s all for the activities it has nothing to do with the current schedule, the resource curves, the costs, etc. Otherwise, Schedule % Complete would show what percentage of the Baseline duration is passed by the Data Date. When the Data Date is earlier than the Baseline Start date, Schedule % Complete is zero, when it s after the Baseline Finish data, Schedule % Complete is 100%. It s simple just take a look at the following figure. Schedule % Complete for Activities And now, let s start the story with how Schedule % Complete is calculated for Activities. This is the source of the most common problems people have with this field. The second thing is that this field is calculated differently for Activities than for WBS Elements. As a result, it is calculated based on the Project Baseline and the Data Date it has nothing to do with the current schedule. ![]() ![]() The first thing to mention is that Schedule % Complete deals with planned progress. Two important products of maintaining schedules are planned progress and actual progress of a given time you want to know how much you ve done so far and compare it with how much you were supposed to do so far, in order to reach project targets. 1 Schedule % Complete in Primavera P6 Schedule % Complete is one of the many percent completes you have in Primavera P6 and we re going to have a complete look at what it is and how it is calculated. ![]()
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January 2023
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