-53.51% is the change from 656 to 305
Calculation steps:
[( 305 - 656 ) ÷ 656] x 100 = -53.51%
Formula
Percentage change = [(305 - 656) / 656] x 100
Subtract the new number by the original number
305 - 656 = -351
-351 ÷ 656 = -0.5350609756097561
-0.5350609756097561 x 100 = -53.51%