how do i calculate gross profit percentage The foundation said some agency workers earned a bonus to compensate in part for the loss of pension contributions, with interim managers and senior social care staff topping the list of those workers who command high wages. Historical costs differ from current values One of the initial requirements will probably be that you are a UK resident and with regards to the type of bank account you are wanting to open, you may have to be over 18 years old. However, in case you are under this age you will probably find there are additional facilities available which can be designed designed for the needs you have. In any case, most providers may have several options you might want to check out before you decide with a final product. But even so, the average gain was 0.14 percentage points, to 4.74 percentage points, Moneyfacts said.