-18.3% is the change from 481 to 393
Calculation steps:
[( 393 - 481 ) ÷ 481] x 100 = -18.3%
Formula
Percentage change = [(393 - 481) / 481] x 100
Subtract the new number by the original number
393 - 481 = -88
-88 ÷ 481 = -0.18295218295218296
-0.18295218295218296 x 100 = -18.3%