-56.26% is the change from 999 to 437
Calculation steps:
[( 437 - 999 ) ÷ 999] x 100 = -56.26%
Formula
Percentage change = [(437 - 999) / 999] x 100
Subtract the new number by the original number
437 - 999 = -562
-562 ÷ 999 = -0.5625625625625625
-0.5625625625625625 x 100 = -56.26%