-44.78% is the change from 996 to 550
Calculation steps:
[( 550 - 996 ) ÷ 996] x 100 = -44.78%
Formula
Percentage change = [(550 - 996) / 996] x 100
Subtract the new number by the original number
550 - 996 = -446
-446 ÷ 996 = -0.44779116465863456
-0.44779116465863456 x 100 = -44.78%