-64.79% is the change from 656 to 231
Calculation steps:
[( 231 - 656 ) ÷ 656] x 100 = -64.79%
Formula
Percentage change = [(231 - 656) / 656] x 100
Subtract the new number by the original number
231 - 656 = -425
-425 ÷ 656 = -0.6478658536585366
-0.6478658536585366 x 100 = -64.79%