This calculation is an illustrative estimate, not a guarantee. It combines three typical sources of project loss: delays, cost overruns and failure to deliver expected value. The default values are set conservatively.
They are based on research showing that organisations waste an average of 11.4% of investment due to poor project performance; typical IT projects overrun budgets by approximately 27%, large IT projects by up to 45%, and large IT projects may deliver up to 56% less actual business value than originally anticipated.
The actual impact depends on project type, organisational context, leadership decisions, quality of brief, resource availability and change management capability.
Sources: PMI Pulse of the Profession, Apollo Technical 2026, Planisware 2026, The Standish Group / CHAOS Report, Wellingtone State of Project Management, and internal SHINE research summaries.