Text Callout : Key Takeaways – Inflation Calculator ... to track historic rates of inflation. Since the CPI's creation, the annual percentage change in the index was a historic high of 17.8 ...

Typically expressed as a percentage that indicates a year ... CPI for urban wage earners and clerical workers (CPI-W) is used by the BLS to calculate the cost-of-living adjustment (COLA) annual ...

Since the CPI's creation, the annual percentage change in the index was a historic high of 17.8% in 1917. More recently, during a period of particularly high inflation in the 1970s and 1980s ...