-6.41% is the change from 843 to 789
Calculation steps:
[( 789 - 843 ) ÷ 843] x 100 = -6.41%
Formula
Percentage change = [(789 - 843) / 843] x 100
Subtract the new number by the original number
789 - 843 = -54
-54 ÷ 843 = -0.06405693950177936
-0.06405693950177936 x 100 = -6.41%