{
  "ok": true,
  "calculator": "percentage-change",
  "inputs": {
    "new_value": "125",
    "original": "100"
  },
  "result": {
    "difference": 25,
    "percentage_change": 25,
    "direction": "increase"
  },
  "formula": "Percentage change = (new value − original value) ÷ |original value| × 100.",
  "formula_version": "tncalc.percentage-change.1.0.0",
  "engine_version": "6.6.1",
  "source": "https://tannerd.net/tools/percentage-change-calculator/",
  "share_url": "https://tannerd.net/tools/percentage-change-calculator/?new_value=125&original=100",
  "reviewed": "2026-09-01",
  "provenance": "https://tannerd.net/provenance/#percentage-change",
  "validation": "https://tannerd.net/validation/",
  "citation": {
    "title": "Percentage Change Calculator | tannerd.net",
    "url": "https://tannerd.net/tools/percentage-change-calculator/?new_value=125&original=100",
    "canonical": "https://tannerd.net/tools/percentage-change-calculator/"
  }
}