It’s also caused by vague wording. “Up 10%” can mean both: “up by 10 percentage points” and “a 10 percent increase”
I know that I’d only ever use it to mean “a ten percent increase” but colloquially, it can mean either. In a work email, I would make sure to specify which I mean.
It’s also caused by vague wording. “Up 10%” can mean both: “up by 10 percentage points” and “a 10 percent increase”
I know that I’d only ever use it to mean “a ten percent increase” but colloquially, it can mean either. In a work email, I would make sure to specify which I mean.
This is exactly why they use basis points in finance discussions.