-52.08% is the change from 843 to 404
Calculation steps:
[( 404 - 843 ) ÷ 843] x 100 = -52.08%
Formula
Percentage change = [(404 - 843) / 843] x 100
Subtract the new number by the original number
404 - 843 = -439
-439 ÷ 843 = -0.5207591933570581
-0.5207591933570581 x 100 = -52.08%