-13.8% is the change from 797 to 687
Calculation steps:
[( 687 - 797 ) ÷ 797] x 100 = -13.8%
Formula
Percentage change = [(687 - 797) / 797] x 100
Subtract the new number by the original number
687 - 797 = -110
-110 ÷ 797 = -0.13801756587202008
-0.13801756587202008 x 100 = -13.8%