-34.76% is the change from 656 to 428
Calculation steps:
[( 428 - 656 ) ÷ 656] x 100 = -34.76%
Formula
Percentage change = [(428 - 656) / 656] x 100
Subtract the new number by the original number
428 - 656 = -228
-228 ÷ 656 = -0.3475609756097561
-0.3475609756097561 x 100 = -34.76%