There are several methods of financial forecasting that businesses can use to make informed financial decisions. These methods are:

1. Trend Analysis: This method is based on analyzing past financial data to identify trends and patterns that can help in predicting future financial performance. This method can be used to forecast sales, expenses, and profits.

2. Regression Analysis: This method involves identifying the relationship between two or more variables to make predictions. For example, this method can be used to forecast customer demand based on changes in pricing, promotions, or other factors.

3. Scenario Analysis: This method involves creating different scenarios based on different assumptions to help identify potential risks and opportunities. For example, this method can be used to forecast the impact of a new product line or market entry strategy.

4. Time Series Analysis: This method involves analyzing data over a period of time to identify patterns and trends that can help in forecasting future performance. This method can be used to forecast sales, expenses, and profits.

5. Expert Opinion: This method involves gathering opinions and insights from industry experts, market analysts, and other stakeholders to make informed financial decisions. This method can be used to identify trends and opportunities in the market.

Using these financial forecasting methods, businesses can make informed financial decisions that can help them manage risks, identify opportunities for growth, and plan for the future. By combining these methods, businesses can develop a more accurate and comprehensive financial forecast that can guide their decisions and ensure long-term success.