-15.97% is the change from 789 to 663
Calculation steps:
[( 663 - 789 ) ÷ 789] x 100 = -15.97%
Formula
Percentage change = [(663 - 789) / 789] x 100
Subtract the new number by the original number
663 - 789 = -126
-126 ÷ 789 = -0.1596958174904943
-0.1596958174904943 x 100 = -15.97%