/kloc-0.5 to 20%. According to the survey of Jia Lian. Com, the difference between the evaluation and transaction price of the provident fund is 15% to 20%, and the difference between the evaluation and transaction price of commercial loans is 10% to 20%. The appraisal price of provident fund loans means that banks or financial institutions evaluate houses according to their values, and determine the loan amount according to the appraisal results.