This looks like a real question to me. Unfortunately, because a moderator has closed it, I can't cite style guide discussions that distinguish between asserting that something has increased by more than 100% (valid) and asserting that something has decreased by more than 100% (invalid, unless negative numbers make sense in the context of the topic under discussion).

Aug 24, 2016 · She walked past the farm 100 times. or. She walked past the farm a 100 times. The second seems wrong to me since separately "100" is pronounced "one hundred" but I have frequently seen this usage. Edit. I changed the example to …

You miss 100 percent of the shots you don't take. 1991 Burton W. Kanter, "AARP—Asset Accumulation, Retention and Protection," Taxes 69: 717: "Wayne Gretzky, relating the comment of one of his early coaches who, frustrated by his lack of scoring in an important game told him, 'You miss 100% of the shots you never take.'" ...

Jan 17, 2016 · Even if there are 100 students, and you want to infer 1%, you still use plural: 1% of 100 students are present. In the second case, the noun is "protein" - countable noun in singular, the verb is singular as well: The remaining 20% of the protein forms enzymes

Jul 27, 2019 · [Relevant examples;] 1%[;] 45%[;] 100%. In discussions involving infrequent use of numbers you may spell out a percentage or an amount of money if you can do so in three words or fewer (five dollars, forty-five percent, two thousand dollars, sixty-eight cents). Do no combine spelled forms of numbers with symbols.

Jun 17, 2014 · The type of writing you are doing also plays into your decision. For example, in legally binding documents, like contracts or exhibits to contracts, the spelled out number is the legally binding number. So if a text said that, "you are 99% (one-hundred percent) responsible", the 100% number would be legally binding, not 99%.

Aug 31, 2017 · Answered at Why is "a 100% increase" the same amount as "a two-fold increase"?. in general English, terminology hereabouts can lack clarity. In science, '[linear] scale factor 4.25' is surely required for both clarity and accuracy. –

Jun 5, 2015 · 100 decibels is far too loud. Ten up-votes is not nearly enough. Here is an Ngram which might give us a vague idea of the relative frequency of kilometres is and kilometres are. The blue line is kilometres is, the red kilometres are:

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Sep 12, 2015 · Of the top 100 earners, 10% own a yacht. If it's part of a whole, use singular. I made the pie, so 10% is mine. In the case of a percentage of units, of them is being erased. In the case of a whole of it is being erased.