German

I feel like 2 to 17 is such a huge jump my first dna test in 2021 I was 17% and then it disappeared for like 2 years and then came back as only 2% I should be at least 12.5% German if my family tree is correct. Can German be missread as English?

I feel like 2 to 17 is such a huge jump my first dna test in 2021 I was 17% and then it disappeared for like 2 years and then came back as only 2% I should be at least 12.5% German if my family tree is correct. Can German be missread as English?