Net Promoter Score Explainer
Net Promoter Score, or NPS, summarizes responses to a standard recommendation question on a zero-to-ten scale. Respondents scoring nine or ten are promoters, seven or eight are passives, and zero through six are detractors. The score equals the percentage of promoters minus the percentage of detractors.
Because the result can range from negative one hundred to positive one hundred, it is not the same as an average rating or the percentage satisfied. Survey timing, customer selection, response rate, channel, wording, and cultural response patterns can materially affect comparisons. A score without the method is incomplete.
NPS is most useful as the start of a learning process. Open-ended follow-up identifies product, service, or relationship drivers. Segmenting results by journey stage, product, tenure, or account type can reveal where improvement matters, while closed-loop outreach can resolve individual problems.
The score does not prove loyalty, future growth, or causation. Teams should not pressure customers or employees to produce higher ratings. Combine NPS with retention, complaints, usage, service quality, and financial outcomes; publish sampling details; and focus on the experience behind the number.
Subtract the percentage of detractors from the percentage of promoters.
Passives affect the percentages but are not directly added or subtracted.
Timing, channel, response rate, customer mix, and wording can change the score.
Compare periods only when the method is sufficiently consistent.
Use comments and operational data to identify the experiences driving responses.
The score is a signal, not a complete diagnosis.
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