I’m not sure exactly where 85% coverage falls. But I can say that at 75% you will have essentially zero understanding of what a text says. (Context clues don’t help you here) And at 95% coverage you will be able to understand basically the entire text.
I don’t remember the source but here is the first page of Harry Potter with only 75% coverage:
> 75% coverage
_______ ONE
THE BOY WHO _____
Mr . and Mrs . Dursley , of ______ four , ______ _____ , were _____ to say that they were _________ ______ , _____ you very much . They were the last people you ' d ______ to be ________ in anything _______ or __________ , because they just didn ' t ____ with ____ ________ .
Mr . Dursley was the ________ of a ____ called _________ , which made ______ . He was a big , _____ man with ______ any ____ , ________ he did have a very large ________ . Mrs . Dursley was ____ and ______ and had nearly _____ the _____ ______ of ____ , which came in very ______ as she _____ so much of her time _______ over ______ ______ , ______ on the _________ . The Dursleys had a small ___ called Dudley and in their _______ there was no _____ boy ________ .
Here is a similar source https://thepatrologist.com/what-98-comprehensibility-looks-l...
I don’t remember the source but here is the first page of Harry Potter with only 75% coverage:
> 75% coverage
_______ ONE
THE BOY WHO _____
Mr . and Mrs . Dursley , of ______ four , ______ _____ , were _____ to say that they were _________ ______ , _____ you very much . They were the last people you ' d ______ to be ________ in anything _______ or __________ , because they just didn ' t ____ with ____ ________ .
Mr . Dursley was the ________ of a ____ called _________ , which made ______ . He was a big , _____ man with ______ any ____ , ________ he did have a very large ________ . Mrs . Dursley was ____ and ______ and had nearly _____ the _____ ______ of ____ , which came in very ______ as she _____ so much of her time _______ over ______ ______ , ______ on the _________ . The Dursleys had a small ___ called Dudley and in their _______ there was no _____ boy ________ .
Here is a similar source https://thepatrologist.com/what-98-comprehensibility-looks-l...