Free business calculator
Staff Performance Percentile Ranker
Place one result inside a team distribution without hiding the raw numbers.
- Instant results
- Private in your browser
- PDF report included
Use the result well
A clear answer, with the assumptions visible
These recommendations turn the result into an operational next step without hiding the inputs behind a score.
- 1
Compare people with similar roles and opportunity.
- 2
Review service quality and teamwork beside the metric.
- 3
Use a clear coaching conversation, not a hidden rank.
How this tool works
- Sort the valid team results.
- Use simple-statistics for team average, quartiles, and standard deviation.
- Count results below and tied with the focus value to calculate a percentile rank.
Build it in Bookify
Start with Bookify Bring the findings into daily work
Keep bookings, supplies, staff, and records together in Bookify.