According to this then our attrition is actually negative 20%.

The attrition rate shows the percentage of employees you lost for one reason or another and did not replace. If you started the year with 20 employees and finished it with 15, your attrition rate would be 25 percent.

So still, no where even close to (positive) 25%. To be such, we'd have to have started the year with 1500 pilots and ended with 1,125.