-6.39% is the change from 845 to 791
Calculation steps:
[( 791 - 845 ) ÷ 845] x 100 = -6.39%
Formula
Percentage change = [(791 - 845) / 845] x 100
Subtract the new number by the original number
791 - 845 = -54
-54 ÷ 845 = -0.06390532544378698
-0.06390532544378698 x 100 = -6.39%