-34.74% is the change from 685 to 447
Calculation steps:
[( 447 - 685 ) ÷ 685] x 100 = -34.74%
Formula
Percentage change = [(447 - 685) / 685] x 100
Subtract the new number by the original number
447 - 685 = -238
-238 ÷ 685 = -0.34744525547445254
-0.34744525547445254 x 100 = -34.74%