Percentages

Compare changes, find a share and put proportions into perspective.

Find the amount represented by a percentage of any base value.

Compare an original value with a new one to measure relative growth.

Measure how much a value has fallen relative to where it started.

Keep the sign of a change so growth and decline are easy to distinguish.

Compare two numbers equally, without choosing a starting value.

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A result is only the beginning.

Every calculator includes its formula, assumptions and worked steps. Start with the example, then try your own numbers.