-29.75% is the change from 558 to 392
Calculation steps:
[( 392 - 558 ) ÷ 558] x 100 = -29.75%
Formula
Percentage change = [(392 - 558) / 558] x 100
Subtract the new number by the original number
392 - 558 = -166
-166 ÷ 558 = -0.2974910394265233
-0.2974910394265233 x 100 = -29.75%