-61.74% is the change from 656 to 251
Calculation steps:
[( 251 - 656 ) ÷ 656] x 100 = -61.74%
Formula
Percentage change = [(251 - 656) / 656] x 100
Subtract the new number by the original number
251 - 656 = -405
-405 ÷ 656 = -0.6173780487804879
-0.6173780487804879 x 100 = -61.74%