The phrase "change rate" refers to how quickly or at what pace something is changing. It measures the speed or rate of change happening over a specific period of time.
Sentences with «change rate»
By changing the rate of cooling, they are able to create diamond structures within the Q - carbon. (sciencedaily.com)
For example, they can change your rate for claim and ticket information. (4autoinsurancequote.com)
When a company did not change its rate due to a particular characteristic, its premium was not included in our analysis. (consumerreports.org)