-6.64% is the change from 843 to 787
Calculation steps:
[( 787 - 843 ) ÷ 843] x 100 = -6.64%
Formula
Percentage change = [(787 - 843) / 843] x 100
Subtract the new number by the original number
787 - 843 = -56
-56 ÷ 843 = -0.066429418742586
-0.066429418742586 x 100 = -6.64%