-36.64% is the change from 685 to 434
Calculation steps:
[( 434 - 685 ) ÷ 685] x 100 = -36.64%
Formula
Percentage change = [(434 - 685) / 685] x 100
Subtract the new number by the original number
434 - 685 = -251
-251 ÷ 685 = -0.36642335766423356
-0.36642335766423356 x 100 = -36.64%