Does the canned food have much more fat than the kibble did?

Surprisingly, last night I checked and the Purina ONE Chicken and Rice dry
that we were feeding them has more fat (13 - 16.5%) than the Nutro Kitten
(8% min) and Nutro Adult Science Diet canned (5% min).

Nutro and Science Diet are 2 different brands....do you mix them together?