-42.64% is the change from 903 to 518
Calculation steps:
[( 518 - 903 ) ÷ 903] x 100 = -42.64%
Formula
Percentage change = [(518 - 903) / 903] x 100
Subtract the new number by the original number
518 - 903 = -385
-385 ÷ 903 = -0.4263565891472868
-0.4263565891472868 x 100 = -42.64%