How to calculate the year-on-year change rate of hotel average room rates

The year-on-year change rate of the hotel's average room price is calculated according to the following formula: the year-on-year change rate of the average room price = (the average room price for the current period - the average room price for the same period) / the average room price for the same period * 100. According to Query Finance.com, the average house price in this period and the average house price in the same period refer to the average house price in the same time period, such as the average house price in the first quarter or the average house price in a year. The year-on-year change rate refers to the change rate for the same period this year compared to the same period last year.