-61.13% is the change from 656 to 255
Calculation steps:
[( 255 - 656 ) ÷ 656] x 100 = -61.13%
Formula
Percentage change = [(255 - 656) / 656] x 100
Subtract the new number by the original number
255 - 656 = -401
-401 ÷ 656 = -0.6112804878048781
-0.6112804878048781 x 100 = -61.13%