-28.49% is the change from 558 to 399
Calculation steps:
[( 399 - 558 ) ÷ 558] x 100 = -28.49%
Formula
Percentage change = [(399 - 558) / 558] x 100
Subtract the new number by the original number
399 - 558 = -159
-159 ÷ 558 = -0.2849462365591398
-0.2849462365591398 x 100 = -28.49%