-66.01% is the change from 656 to 223
Calculation steps:
[( 223 - 656 ) ÷ 656] x 100 = -66.01%
Formula
Percentage change = [(223 - 656) / 656] x 100
Subtract the new number by the original number
223 - 656 = -433
-433 ÷ 656 = -0.6600609756097561
-0.6600609756097561 x 100 = -66.01%