-98.32% is the change from 656 to 11
Calculation steps:
[( 11 - 656 ) ÷ 656] x 100 = -98.32%
Formula
Percentage change = [(11 - 656) / 656] x 100
Subtract the new number by the original number
11 - 656 = -645
-645 ÷ 656 = -0.9832317073170732
-0.9832317073170732 x 100 = -98.32%