-53.26% is the change from 843 to 394
Calculation steps:
[( 394 - 843 ) ÷ 843] x 100 = -53.26%
Formula
Percentage change = [(394 - 843) / 843] x 100
Subtract the new number by the original number
394 - 843 = -449
-449 ÷ 843 = -0.5326215895610913
-0.5326215895610913 x 100 = -53.26%