Start with the drivers
A forecast needs more than a total. Separate volume, pricing, mix, conversion and timing. Finance and commercial leaders should agree which assumptions changed and why.
Make variance actionable
A missed target should trigger a decision. Is the gap caused by fewer opportunities, slower conversion, lower pricing or delivery timing? Assign an owner to the driver rather than treating the variance as a reporting problem.
Use one review cadence
Bring pipeline evidence and financial implications into the same operating review. Review the assumptions, identify the action and return to it next time.