Transaction Fees or miner fee does not depend on the number of Bitcoin or value in dollars but depend on the size of a transaction. In other words, you can send 100 BTC ($900,000) and 0.001 BTC (9$) using the same fees. To learn more I advise you this tutorial: Calculate Transaction fee [DannyHamilton]
If you know what the size of your transaction (in bytes) will be then the following website can be used to estimate what your fee should be: https://bitcoinfees.21.co/