For Cynthia's fourth lab report, she calculated the ratio of velocities before and after the impact of a basketball bouncing on a court. This measurement is called the coefficient of restitution. She got the following four values. 0.72
0.75
0.73
0.76

The accepted value is 0.77

Cynthia’s percent error was []%

Enter your answer as the number that correctly fills in the blank, rounded to two decimal places, like this: 42.53