-3.8% is the change from 816 to 785
Calculation steps:
[( 785 - 816 ) ÷ 816] x 100 = -3.8%
Formula
Percentage change = [(785 - 816) / 816] x 100
Subtract the new number by the original number
785 - 816 = -31
-31 ÷ 816 = -0.03799019607843137
-0.03799019607843137 x 100 = -3.8%