You were on the right track. You can do it with a pattern, and a scale of -6.
The pattern syntax needs a decimal. For what you're trying it would be: ######.#M
You haven't mentioned it, but for people stumbling across this in the future trying to form...
The pattern syntax needs a decimal. For what you're trying it would be: ######.#M
You haven't mentioned it, but for people stumbling across this in the future trying to form...