-29.5% is the change from 556 to 392
Calculation steps:
[( 392 - 556 ) ÷ 556] x 100 = -29.5%
Formula
Percentage change = [(392 - 556) / 556] x 100
Subtract the new number by the original number
392 - 556 = -164
-164 ÷ 556 = -0.2949640287769784
-0.2949640287769784 x 100 = -29.5%