Operation Management

1.Percentage Growth Method: The principle of this method is that data in hand obey either an increasing or decreasing pattern. That is why; this same method, while forecasting, can only be used when data fits the expectation. In Holiday Inn Hotel's last 20 years of operation Total change in rooms nights (10,698-6520)/ 6,520 x 100 = 64.08 Change in the percentage of the year= 64.08 % / 20 = 3.20% The number of room nights forecast for 2021 is 10, 698 x (1 + 0.03203) is equals to 11,041 room nights.