-89.79% is the change from 656 to 67
Calculation steps:
[( 67 - 656 ) ÷ 656] x 100 = -89.79%
Formula
Percentage change = [(67 - 656) / 656] x 100
Subtract the new number by the original number
67 - 656 = -589
-589 ÷ 656 = -0.8978658536585366
-0.8978658536585366 x 100 = -89.79%