-30.36% is the change from 685 to 477
Calculation steps:
[( 477 - 685 ) ÷ 685] x 100 = -30.36%
Formula
Percentage change = [(477 - 685) / 685] x 100
Subtract the new number by the original number
477 - 685 = -208
-208 ÷ 685 = -0.30364963503649633
-0.30364963503649633 x 100 = -30.36%