-15.6% is the change from 814 to 687
Calculation steps:
[( 687 - 814 ) ÷ 814] x 100 = -15.6%
Formula
Percentage change = [(687 - 814) / 814] x 100
Subtract the new number by the original number
687 - 814 = -127
-127 ÷ 814 = -0.15601965601965603
-0.15601965601965603 x 100 = -15.6%