-28.09% is the change from 687 to 494
Calculation steps:
[( 494 - 687 ) ÷ 687] x 100 = -28.09%
Formula
Percentage change = [(494 - 687) / 687] x 100
Subtract the new number by the original number
494 - 687 = -193
-193 ÷ 687 = -0.28093158660844253
-0.28093158660844253 x 100 = -28.09%