-38.28% is the change from 687 to 424
Calculation steps:
[( 424 - 687 ) ÷ 687] x 100 = -38.28%
Formula
Percentage change = [(424 - 687) / 687] x 100
Subtract the new number by the original number
424 - 687 = -263
-263 ÷ 687 = -0.38282387190684136
-0.38282387190684136 x 100 = -38.28%