Draw the largest circle in a square. The side length of the square is 5cm. How much more is the square than the circle?

Draw the largest circle in a square. The side length of the square is 5cm. How much more is the square than the circle?

Square area 5 * 5, circle area = (5 divided by 2) times (5 divided by 2) times 3.14
The area ratio was 4 to 3.14, and the area ratio of excess was 0.86 to 3.14 = 27.3885%