Switch, transplant. But make sure you do that into a new soil that has the same PH values as the previous ones, as this can lead to some shock.
Try not to add too much perlite to the mix though, say no more than 10%.
As a test, clump the soil into your fist, it shouldn't clump up very easily and it should break up with a single light poke - that's the texture you are looking for.
So it should be course, light and spongy to allow drainage, sufficient moisture and proper air circulation. Make sure it becomes fluffy when moistened, in other words it shouldn't clump together if you gently squeeze it in your hand. It should be heavy enough to support the plant and light enough to allow the roots to penetrate more easily and for air to be present.