-58.08% is the change from 687 to 288
Calculation steps:
[( 288 - 687 ) ÷ 687] x 100 = -58.08%
Formula
Percentage change = [(288 - 687) / 687] x 100
Subtract the new number by the original number
288 - 687 = -399
-399 ÷ 687 = -0.5807860262008734
-0.5807860262008734 x 100 = -58.08%