-75.76% is the change from 656 to 159
Calculation steps:
[( 159 - 656 ) ÷ 656] x 100 = -75.76%
Formula
Percentage change = [(159 - 656) / 656] x 100
Subtract the new number by the original number
159 - 656 = -497
-497 ÷ 656 = -0.7576219512195121
-0.7576219512195121 x 100 = -75.76%