In the currency pair BRL/IDR the first currency to consider is BRL and second currency IDR and current figures tell us that we need 2912.35000 IDR if we're interested in buying a BRL.
In this case, the base currency or transaction currency is BRL and the IDR is the quote currency and you can also call it the counter currency.
The maximum price that this currency pair has reached in the last hours has been 2925.36000, while the minimum has been positioned at 2910.80000 y means a percentage of variation of the -0.08000% due to the difference of -2.46000.