-27.74% is the change from 685 to 495
Calculation steps:
[( 495 - 685 ) ÷ 685] x 100 = -27.74%
Formula
Percentage change = [(495 - 685) / 685] x 100
Subtract the new number by the original number
495 - 685 = -190
-190 ÷ 685 = -0.2773722627737226
-0.2773722627737226 x 100 = -27.74%