printf in the instance you have shown doesn't give me anything I can work with
I should have mentioned that the rates are comming in live 24/7 and I want to look at the base point movement as the rates change.
In the examples above I'm looking to see the base point movements of +1,+4 and -5.
Whatever solution I have to get this number must be simple enough that I can use in a function where any number with any number of decimal places is looked at and the difference to last known rate instance is calculated.

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