-42.48% is the change from 904 to 520
Calculation steps:
[( 520 - 904 ) ÷ 904] x 100 = -42.48%
Formula
Percentage change = [(520 - 904) / 904] x 100
Subtract the new number by the original number
520 - 904 = -384
-384 ÷ 904 = -0.4247787610619469
-0.4247787610619469 x 100 = -42.48%