How to Calculate Percentage Points: Steps & Tools

What you are calculating

You are calculating how many percentage points separate two published percents. You are not, unless you say so explicitly, calculating how large the move is relative to the baseline.

That distinction saves teams when a small baseline makes percent change look enormous while the point move looks modest.

Formula and checks

Use B minus A after you confirm both inputs are percents. If one input is stored as a decimal fraction inside a spreadsheet, convert it before you interpret the gap.

Sanity checks include asking whether the sign matches the direction of travel and whether the magnitude matches a chart tooltip.

Step-by-step guide

1. Snapshot the two headline values from the same release.
2. Normalize units, including whether trailing zeros imply extra precision.
3. Subtract in the order your sentence uses.
4. Write “percentage points” beside the number on first mention.

When you want a conceptual refresher before you publish, skim the what is a percentage point definition note.

Worked example

Polling support moves from 38% to 43% with the same question text and field dates. The gap is five percentage points. If an editor asks for a “percent increase,” send them to the percentage points versus percentage change explainer before you rewrite the lede.

For hands-on practice with the site UI, the how to use the percentage point calculator walkthrough maps each field to the headline you are defending.