-37.52% is the change from 685 to 428
Calculation steps:
[( 428 - 685 ) ÷ 685] x 100 = -37.52%
Formula
Percentage change = [(428 - 685) / 685] x 100
Subtract the new number by the original number
428 - 685 = -257
-257 ÷ 685 = -0.37518248175182484
-0.37518248175182484 x 100 = -37.52%