-51.39% is the change from 899 to 437
Calculation steps:
[( 437 - 899 ) ÷ 899] x 100 = -51.39%
Formula
Percentage change = [(437 - 899) / 899] x 100
Subtract the new number by the original number
437 - 899 = -462
-462 ÷ 899 = -0.5139043381535039
-0.5139043381535039 x 100 = -51.39%