Sales Booking Growth Rate is the percentage increase or decrease in the total value of signed contracts over a specific period. In many SaaS companies, 'Bookings' are a more immediate measure of momentum than 'Revenue,' because revenue is often recognized over the life of the contract while bookings are recorded the moment the contract is signed. The rate is calculated by taking the growth in bookings and dividing it by the previous period's bookings. This metric is a powerful indicator of market demand and the effectiveness of new product launches or sales initiatives. A positive, accelerating booking growth rate is the strongest signal of 'Product-Market Fit' and is often the primary metric used to motivate and compensate the sales team. For founders and investors, booking growth provides a real-time pulse of the company’s trajectory, serving as a reliable predictor of the future ARR and GAAP revenue that will be recognized in the coming months.