-64.33% is the change from 656 to 234
Calculation steps:
[( 234 - 656 ) ÷ 656] x 100 = -64.33%
Formula
Percentage change = [(234 - 656) / 656] x 100
Subtract the new number by the original number
234 - 656 = -422
-422 ÷ 656 = -0.6432926829268293
-0.6432926829268293 x 100 = -64.33%