Well, the thing is that 75% is the minimum we should receive from the total amount displayed on our blogs. Meaning, the deduction percentage for curation reward can be maximum 25% (at the moment) but it also could be lower than that in which case the payment that would arrive in your wallet may be bigger.
The rest (even if it is 80% or more of the total amount) would be divided as explained in the article and depending on the payment option that you chose when publishing your article, as well as on the STEEM rate (vs USD) at the time when the post dues.