-55.66% is the change from 999 to 443
Calculation steps:
[( 443 - 999 ) ÷ 999] x 100 = -55.66%
Formula
Percentage change = [(443 - 999) / 999] x 100
Subtract the new number by the original number
443 - 999 = -556
-556 ÷ 999 = -0.5565565565565566
-0.5565565565565566 x 100 = -55.66%