-37.66% is the change from 685 to 427
Calculation steps:
[( 427 - 685 ) ÷ 685] x 100 = -37.66%
Formula
Percentage change = [(427 - 685) / 685] x 100
Subtract the new number by the original number
427 - 685 = -258
-258 ÷ 685 = -0.37664233576642336
-0.37664233576642336 x 100 = -37.66%