-34.76% is the change from 843 to 550
Calculation steps:
[( 550 - 843 ) ÷ 843] x 100 = -34.76%
Formula
Percentage change = [(550 - 843) / 843] x 100
Subtract the new number by the original number
550 - 843 = -293
-293 ÷ 843 = -0.3475682087781732
-0.3475682087781732 x 100 = -34.76%