-72.63% is the change from 687 to 188
Calculation steps:
[( 188 - 687 ) ÷ 687] x 100 = -72.63%
Formula
Percentage change = [(188 - 687) / 687] x 100
Subtract the new number by the original number
188 - 687 = -499
-499 ÷ 687 = -0.7263464337700145
-0.7263464337700145 x 100 = -72.63%