-51.67% is the change from 687 to 332
Calculation steps:
[( 332 - 687 ) ÷ 687] x 100 = -51.67%
Formula
Percentage change = [(332 - 687) / 687] x 100
Subtract the new number by the original number
332 - 687 = -355
-355 ÷ 687 = -0.5167394468704513
-0.5167394468704513 x 100 = -51.67%