Here is a geek tidbit. As a kid Naruto was using 98% of his chakra to suppress Kurama. Remaining 2% was 4X Kakashi’s chakra. So 10% of Kid Naruto’s chakra is still 20X Kakashi’s chakra. Add Kurama, ≈40X Kakashi’s chakra and that’s baby Naruto. Adult would have way more. So when you say Naruto only has 10% of his chakra, that’s still a monstrous amount.