While the Consumer Price Index (CPI) grew at 5.1% in February, the Wholesale Price Index (WPI) rose by just 0.2%. To be sure, the CPI and WPI baskets are very different in composition, and the ...

WPI tracks the price changes ... and B represents the final value. To use this formula, you need the initial and final values of the consumer price index (CPI) for a specific good or service.