A drop in sales does not tell you which part of the process needs attention. More outreach may help when too few relevant prospects enter the funnel; it may do little when proposals stall on the same unresolved question.
Begin with a small number of clearly defined stages. Each stage should represent an observable condition, not a salesperson's optimism.
Compare consistent groups
Define what qualifies an opportunity to enter and leave each stage. Review comparable cohorts that have had enough time to progress. Comparing this week's new leads with last month's completed sales can produce a misleading conversion rate.
Check the sample size. Two lost deals can be important cases to inspect, but they are weak evidence for a broad claim about the whole market.
Combine counts with conversations
Look at the number entering a stage, the number progressing, time spent there and recorded reasons for loss or delay. Then inspect representative conversations.
For illustration, a queue of proposals might reflect budget timing, unclear implementation requirements or poor qualification. The stage name alone does not identify the cause.
Separate what the prospect said from your team's interpretation. “No budget this quarter” and “we think price was too high” are different evidence.
Test one relevant change
Choose an intervention aimed at the observed problem: a clearer qualification question, a better implementation explanation or a more useful next-step agreement. Define what you will observe and when you will review it.
Changing every stage at once makes it harder to understand what helped.