From 1996 to 2007, the median weekly earnings of workers represented by unions went from $610 to

Question:

From 1996 to 2007, the median weekly earnings of workers represented by unions went from $610 to $857, and the Consumer Price Index (1982–1984 = 100) went from 156.9 to 207.3. What was the percentage increase or decrease in real wages for these workers?