-56.08% is the change from 904 to 397
Calculation steps:
[( 397 - 904 ) ÷ 904] x 100 = -56.08%
Formula
Percentage change = [(397 - 904) / 904] x 100
Subtract the new number by the original number
397 - 904 = -507
-507 ÷ 904 = -0.5608407079646017
-0.5608407079646017 x 100 = -56.08%