Sales in Brazil declined due to a contraction in the clothing and footwear segment.
The sale took place during the first half of this year.
Coming in just below estimates, inflation continued to rise in June, as political heat builds over the issue ahead of October elections.
The two Brazilian lenders are among 11 heavyweights that will work with the UN.
The country's debt pile got 9% bigger last year, according to the central bank.
Use of smart phones and the internet for financial operations is also on rise.
High interest rates, widespread unemployment, and depressed consumer confidence, are holding back credit demand.