-10.04% is the change from 687 to 618
Calculation steps:
[( 618 - 687 ) ÷ 687] x 100 = -10.04%
Formula
Percentage change = [(618 - 687) / 687] x 100
Subtract the new number by the original number
618 - 687 = -69
-69 ÷ 687 = -0.10043668122270742
-0.10043668122270742 x 100 = -10.04%