-6.75% is the change from 845 to 788
Calculation steps:
[( 788 - 845 ) ÷ 845] x 100 = -6.75%
Formula
Percentage change = [(788 - 845) / 845] x 100
Subtract the new number by the original number
788 - 845 = -57
-57 ÷ 845 = -0.06745562130177515
-0.06745562130177515 x 100 = -6.75%