This is the 2512th most frequent Russian word.
процентных
"Процентных" means "percent (related to percentage)."
In this sentence, 'процентным' is used to describe the rates (ставкам) pertaining to interest ('процент'), commonly used in financial contexts.
Банк предложил мне ипотеку с низким процентным ставкам.
The bank offered me a mortgage with low interest rates.
Here, 'процентная' modifies 'ставка' (rate), indicating it pertains to interest.
Годовая процентная ставка по кредиту составляет 15%.
The annual interest rate of the loan is 15%.
In this case, 'процентной' relates to the share or proportion ('доли'), showing a usage in statistical or analytical contexts.