-16.12% is the change from 819 to 687
Calculation steps:
[( 687 - 819 ) ÷ 819] x 100 = -16.12%
Formula
Percentage change = [(687 - 819) / 819] x 100
Subtract the new number by the original number
687 - 819 = -132
-132 ÷ 819 = -0.16117216117216118
-0.16117216117216118 x 100 = -16.12%