Hi i clearly remember having over 400$ in my apple account but when i saw it today it is only 125$ where can i find my statement for this balance?

Hi i clearly remember having over 400$ in my apple account but when i saw it today it is only 125$ where can i find my statement for this balance? I checked on the itunes store for billing history but only see about 30$ in changes there is no way ised over $250 so where can i find my statement for apple account balance?