Percent Change / Discount / Markup Calculator

Calculate percent change, discounts, markup, and reverse percentages with step-by-step arithmetic.

PERCENTAGES

LOCAL NO DATA SENT

PERCENT WORKBENCHCHANGE / DISCOUNT / MARKUP / REVERSE PERCENTAGE

MODEPERCENT CHANGE

CALCULATION

Reverse percentage works backward from the final value to recover the original amount.

ANSWER — Each mode shows the percent as a decimal factor before using it in the calculation.

RESULTSEE ABOVE

CHANGE AMOUNT—

PERCENT RULE÷ 100

METHODSHOW WORK

STEPSPERCENT → DECIMAL → CALCULATION

READYSelect a percent calculation.

LOCAL TOOL: Values and percent calculations stay entirely in your browser.

FIELD NOTE / 034

The same percent idea shows up in school, shopping, and business.

Percent change compares a difference to the original value. Discounts subtract a percent of the original price, while markup adds it. Reverse percentage uses the final value and a change factor to work backward to the starting amount.

The same percent idea shows up in school, shopping, and business.

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