-87.34% is the change from 687 to 87
Calculation steps:
[( 87 - 687 ) ÷ 687] x 100 = -87.34%
Formula
Percentage change = [(87 - 687) / 687] x 100
Subtract the new number by the original number
87 - 687 = -600
-600 ÷ 687 = -0.8733624454148472
-0.8733624454148472 x 100 = -87.34%