-43.96% is the change from 903 to 506
Calculation steps:
[( 506 - 903 ) ÷ 903] x 100 = -43.96%
Formula
Percentage change = [(506 - 903) / 903] x 100
Subtract the new number by the original number
506 - 903 = -397
-397 ÷ 903 = -0.43964562569213733
-0.43964562569213733 x 100 = -43.96%