-36.5% is the change from 685 to 435
Calculation steps:
[( 435 - 685 ) ÷ 685] x 100 = -36.5%
Formula
Percentage change = [(435 - 685) / 685] x 100
Subtract the new number by the original number
435 - 685 = -250
-250 ÷ 685 = -0.36496350364963503
-0.36496350364963503 x 100 = -36.5%