-61.14% is the change from 687 to 267
Calculation steps:
[( 267 - 687 ) ÷ 687] x 100 = -61.14%
Formula
Percentage change = [(267 - 687) / 687] x 100
Subtract the new number by the original number
267 - 687 = -420
-420 ÷ 687 = -0.611353711790393
-0.611353711790393 x 100 = -61.14%