-56.64% is the change from 904 to 392
Calculation steps:
[( 392 - 904 ) ÷ 904] x 100 = -56.64%
Formula
Percentage change = [(392 - 904) / 904] x 100
Subtract the new number by the original number
392 - 904 = -512
-512 ÷ 904 = -0.5663716814159292
-0.5663716814159292 x 100 = -56.64%