However, the city noted that the grades it gives schools on their progress reports closely tracked the percentage of teachers with high rankings.

WSJ: Teacher Rankings Opened to View

Can you imagine installing a large software application on your computer without seeing a progress bar showing you its completion percentage?

FORBES: A New Way Forward: The Better Way to Accelerate Change

Measuring all tariffs as a percentage of the goods' value is a prerequisite for further progress in talks about reducing trade barriers for agricultural goods.

ECONOMIST: Progress at last

Progress toward integrating all industries by gender has dramatically slowed: while it fell by 6.1 percentage points in the 1970s, it only fell by 1.1 points in the 2000s.

FORBES: The Rise and Downfall Of The American Single Mother

Wright discovered that progress increases with experience: each percent increase in cumulative production in a given industry results in a fixed percentage improvement in production efficiency.

FORBES: Moore's Law vs. Wright's Law