-40.85% is the change from 656 to 388
Calculation steps:
[( 388 - 656 ) ÷ 656] x 100 = -40.85%
Formula
Percentage change = [(388 - 656) / 656] x 100
Subtract the new number by the original number
388 - 656 = -268
-268 ÷ 656 = -0.40853658536585363
-0.40853658536585363 x 100 = -40.85%