3.69% is the change from 488 to 506
Calculation steps:
[( 506 - 488 ) ÷ 488] x 100 = 3.69%
Formula
Percentage change = [(506 - 488) / 488] x 100
Subtract the new number by the original number
506 - 488 = 18
18 ÷ 488 = 0.036885245901639344
0.036885245901639344 x 100 = 3.69%