Since 1 Guyanaese Dollar is equal to 0.00385064544906659 British Pounds, we could say that n Guyanaese Dollars are equal to 0.00385064544906659 times n British Pounds. In other words, we could use the following formula:
British Pounds = Guyanaese Dollars x 0.00385064544906659
For example, let's say that we want to convert 2.0 Guyanaese Dollars to British Pounds. Then, we just replace Guyanaese Dollars in the abovementioned formula with 2.0:
British Pounds = 2.0 x 0.00385064544906659
That is, 2.0 Guyanaese Dollars are equal to 0.00770129089813318 British Pounds.