-27.68% is the change from 950 to 687
Calculation steps:
[( 687 - 950 ) ÷ 950] x 100 = -27.68%
Formula
Percentage change = [(687 - 950) / 950] x 100
Subtract the new number by the original number
687 - 950 = -263
-263 ÷ 950 = -0.2768421052631579
-0.2768421052631579 x 100 = -27.68%