It's always important to make the case and keep metrics when you upgrade systems. This is based on data taken from our customers and their actual experiences.
Here is a sample calculation for different sized organization adopting our EnterpriseNLP and Ontology Builder products:
500 employee ROI worksheet
Here is a sample ROI calculation for a 2000 member organization
2000 employee ROI worksheet
Here is a sample ROI calculation for a 10000 member organization
10,000 employee ROI worksheet