-96.65% is the change from 656 to 22
Calculation steps:
[( 22 - 656 ) ÷ 656] x 100 = -96.65%
Formula
Percentage change = [(22 - 656) / 656] x 100
Subtract the new number by the original number
22 - 656 = -634
-634 ÷ 656 = -0.9664634146341463
-0.9664634146341463 x 100 = -96.65%