-44.38% is the change from 899 to 500
Calculation steps:
[( 500 - 899 ) ÷ 899] x 100 = -44.38%
Formula
Percentage change = [(500 - 899) / 899] x 100
Subtract the new number by the original number
500 - 899 = -399
-399 ÷ 899 = -0.44382647385984425
-0.44382647385984425 x 100 = -44.38%