-79.62% is the change from 687 to 140
Calculation steps:
[( 140 - 687 ) ÷ 687] x 100 = -79.62%
Formula
Percentage change = [(140 - 687) / 687] x 100
Subtract the new number by the original number
140 - 687 = -547
-547 ÷ 687 = -0.7962154294032023
-0.7962154294032023 x 100 = -79.62%