Percentage Calculations (percentage complete ) not working correctly with MilestoneIssue Percent complete on Project is not rolling up correctly with MilestonesReleaseOrlandoCauseDev for milestones can have 2 cases:Case 1: When the project contains all milestones then the project %complete will be 100% ONLY if all the milestones are 100% complete.Case 2: When the project has milestones and regular tasks project %complete = 100% ONLY when all the milestones & regular tasks are 100% complete. The formula used to calculate Percent complete. Project percentage complete = (Worked Duration / Total Duration)*100Worked duration = Task duration * (Task %complete/100)ResolutionWork through above formula or read https://community.servicenow.com/community?id=community_question&sys_id=0d35719fdb843f80d82ffb24399619f1