-73.07% is the change from 687 to 185
Calculation steps:
[( 185 - 687 ) ÷ 687] x 100 = -73.07%
Formula
Percentage change = [(185 - 687) / 687] x 100
Subtract the new number by the original number
185 - 687 = -502
-502 ÷ 687 = -0.7307132459970888
-0.7307132459970888 x 100 = -73.07%