-3.31% is the change from 816 to 789
Calculation steps:
[( 789 - 816 ) ÷ 816] x 100 = -3.31%
Formula
Percentage change = [(789 - 816) / 816] x 100
Subtract the new number by the original number
789 - 816 = -27
-27 ÷ 816 = -0.03308823529411765
-0.03308823529411765 x 100 = -3.31%