-29.39% is the change from 973 to 687
Calculation steps:
[( 687 - 973 ) ÷ 973] x 100 = -29.39%
Formula
Percentage change = [(687 - 973) / 973] x 100
Subtract the new number by the original number
687 - 973 = -286
-286 ÷ 973 = -0.29393627954779034
-0.29393627954779034 x 100 = -29.39%