-17.56% is the change from 484 to 399
Calculation steps:
[( 399 - 484 ) ÷ 484] x 100 = -17.56%
Formula
Percentage change = [(399 - 484) / 484] x 100
Subtract the new number by the original number
399 - 484 = -85
-85 ÷ 484 = -0.1756198347107438
-0.1756198347107438 x 100 = -17.56%