My salary for last month was $1,000 and for this month was $1,100, that is, my salary increased by 10%.

In this case, which of the following is correct?

The rate/ratio/percentage of change in my salary for this month with respect to my salary for this month is an increase of 10%.

  • I'd say "percentage" since rate and ratio do not represent their value(s) with percent sign(%).
    – holydragon
    Commented May 24, 2018 at 1:42
  • Any reasoning why you want to say it this way? percentage is correct, but it is redundant since you already wrote it in "10%". "My salary increased by 10% over last month" says the same thing.
    – user3169
    Commented May 24, 2018 at 6:02

1 Answer 1


The % symbol means percent, so if you are using that, it is a percentage.

A rate is x per y like miles per hour

A ratio is x to y like the ratio of flour to milk in a recipe might be 1:1 if you put in equal amounts of both

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