-82.53% is the change from 687 to 120
Calculation steps:
[( 120 - 687 ) ÷ 687] x 100 = -82.53%
Formula
Percentage change = [(120 - 687) / 687] x 100
Subtract the new number by the original number
120 - 687 = -567
-567 ÷ 687 = -0.8253275109170306
-0.8253275109170306 x 100 = -82.53%