Function percentValue

Calculate the percentage change from yesterday's value to today's value.

Formula: ((todayValue - yesterdayValue) / yesterdayValue) * 100

Positive result — value grew, negative — value dropped.

percentValue(100, 105); // 5
percentValue(100, 95); // -5
  • Parameters

    • yesterdayValue: number

      The value from yesterday (base of comparison).

    • todayValue: number

      The value from today.

    Returns number

    The percentage change from yesterday to today (e.g. 5 for +5%).