SAP Message 6A075 - Percentage decrease of more than 100% is not permitted

Diagnosis
You want to carry out a rent adjustment and have specified the new rentby means of a relative value. The value you have entered (&v1&),however, is less than -100%.

System Response
Since this adjustment would result in a negative rent, your input isrejected.

Procedure
Enter an adjustment value that is not less than -100%.