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I don't subscribe to MyFico, so this is just a guess: Suppose your utilization changes from 30% to 45%. In absolute terms, this is an increase by 15%, but in relative terms (since 15% is half of 30%) this is a 50% increase. A more extreme example: a change from 1% to 25% is (in relative terms) a 2400% increase.
@Anonymous wrote:I don't subscribe to MyFico, so this is just a guess: Suppose your utilization changes from 30% to 45%. In absolute terms, this is an increase by 15%, but in relative terms (since 15% is half of 30%) this is a 50% increase. A more extreme example: a change from 1% to 25% is (in relative terms) a 2400% increase.
Nice response. This is undoubtedly the explanation. And indeed going from a $10 balance to a $250 balance is a 2400% increase on that balance.
Just know that percentage increase as it is displayed that you're posting about (2400% etc) is irrelevant and that what matters from a scoring perspective is the utilization percentage [balance/limit].