-16.3% is the change from 816 to 683
Calculation steps:
[( 683 - 816 ) ÷ 816] x 100 = -16.3%
Formula
Percentage change = [(683 - 816) / 816] x 100
Subtract the new number by the original number
683 - 816 = -133
-133 ÷ 816 = -0.16299019607843138
-0.16299019607843138 x 100 = -16.3%