Fractional change of a quantity

{
  "id": "MLC-T-CHM-004628",
  "term": "Fractional change of a quantity",
  "field": "Chemistry",
  "definition": "The ratio of the change in a quantity to its initial value, expressed as a dimensionless number. It indicates the relative alteration of a variable, providing insight into the magnitude of change proportional to the original amount. This measure is often used in kinetics and thermodynamics to describe reaction progress or system perturbations.",
  "subject": "Chemistry and Human Health",
  "see_also": [
    "amount of substance"
  ],
  "references": [
    "PAC, 1992, 64, 1569. 'Quantities and units for metabolic processes as a function of time (IUPAC Recommendations 1992)' on page 1571 (https://doi.org/10.1351/pac199264101569)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/fractional-change-of-a-quantity/"
}