-42.7% is the change from 904 to 518
Calculation steps:
[( 518 - 904 ) ÷ 904] x 100 = -42.7%
Formula
Percentage change = [(518 - 904) / 904] x 100
Subtract the new number by the original number
518 - 904 = -386
-386 ÷ 904 = -0.4269911504424779
-0.4269911504424779 x 100 = -42.7%