-85.44% is the change from 687 to 100
Calculation steps:
[( 100 - 687 ) ÷ 687] x 100 = -85.44%
Formula
Percentage change = [(100 - 687) / 687] x 100
Subtract the new number by the original number
100 - 687 = -587
-587 ÷ 687 = -0.8544395924308588
-0.8544395924308588 x 100 = -85.44%