-43.72% is the change from 899 to 506
Calculation steps:
[( 506 - 899 ) ÷ 899] x 100 = -43.72%
Formula
Percentage change = [(506 - 899) / 899] x 100
Subtract the new number by the original number
506 - 899 = -393
-393 ÷ 899 = -0.4371523915461624
-0.4371523915461624 x 100 = -43.72%