-96.53% is the change from 606 to 21
Calculation steps:
[( 21 - 606 ) ÷ 606] x 100 = -96.53%
Formula
Percentage change = [(21 - 606) / 606] x 100
Subtract the new number by the original number
21 - 606 = -585
-585 ÷ 606 = -0.9653465346534653
-0.9653465346534653 x 100 = -96.53%