-96.3% is the change from 568 to 21
Calculation steps:
[( 21 - 568 ) ÷ 568] x 100 = -96.3%
Formula
Percentage change = [(21 - 568) / 568] x 100
Subtract the new number by the original number
21 - 568 = -547
-547 ÷ 568 = -0.9630281690140845
-0.9630281690140845 x 100 = -96.3%