How to Read the Result
The first figure is what the client leaves you each month after their labor and the licenses and services you buy for them. The percentage lets you compare clients of different sizes: sort your book by it and the bottom few are where to look first.
When Not to Use It
Do not judge a client on a month with a one-off project in it, and do not use it on a client in their first ninety days, when onboarding hours make every client look expensive.
