In part 1 of this two-part series on the ROI of design thinking, Forrester found that three-quarters of projects can return double their investment (or more) in design thinking — with a median per-project ROI of 229%. What’s more, mature design thinking practices can realize an average ROI of 85%. This second report provides customer experience (CX) professionals and design thinking practitioners with a detailed tutorial (including an Excel-based interactive calculator) on how to estimate the ROI of design thinking at their own organizations.