-4.94% is the change from 506 to 481
Calculation steps:
[( 481 - 506 ) ÷ 506] x 100 = -4.94%
Formula
Percentage change = [(481 - 506) / 506] x 100
Subtract the new number by the original number
481 - 506 = -25
-25 ÷ 506 = -0.04940711462450593
-0.04940711462450593 x 100 = -4.94%