It almost certainly comes from this paragraph: > In 1979, wages at the 10th percentile ranged from $10.03 for black and Hispanic women to $14.42 for white men,

It almost certainly comes from this paragraph: > In 1979, wages at the 10th percentile ranged from $10.03 for black and Hispanic women to $14.42 for white men, whereas in 2018 wages in the 10th percentile ranged from $9.72 for Hispanic women to $13.70 for white men. This adds up to -4.99% for white men in the 10th percentile. Above the 10th percentile everyone has done better.