Your re-written version is definitely the correct way to phrase it. As written in the article, one would expect IPv6 to have moved from 2.92% to 2.95% (1% of 2

Your re-written version is definitely the correct way to phrase it. As written in the article, one would expect IPv6 to have moved from 2.92% to 2.95% (1% of 2.92 being 0.03), which is clearly not the case.