It could mean that 97% of the trips had an predictive error of, say, 2 minutes, while the remaining 3% had an error of, say, 10 minutes, and they reduced that e

It could mean that 97% of the trips had an predictive error of, say, 2 minutes, while the remaining 3% had an error of, say, 10 minutes, and they reduced that error to 5 minutes.