-74.82% is the change from 687 to 173
Calculation steps:
[( 173 - 687 ) ÷ 687] x 100 = -74.82%
Formula
Percentage change = [(173 - 687) / 687] x 100
Subtract the new number by the original number
173 - 687 = -514
-514 ÷ 687 = -0.7481804949053857
-0.7481804949053857 x 100 = -74.82%