-73.94% is the change from 687 to 179
Calculation steps:
[( 179 - 687 ) ÷ 687] x 100 = -73.94%
Formula
Percentage change = [(179 - 687) / 687] x 100
Subtract the new number by the original number
179 - 687 = -508
-508 ÷ 687 = -0.7394468704512372
-0.7394468704512372 x 100 = -73.94%