-96.65% is the change from 626 to 21
Calculation steps:
[( 21 - 626 ) ÷ 626] x 100 = -96.65%
Formula
Percentage change = [(21 - 626) / 626] x 100
Subtract the new number by the original number
21 - 626 = -605
-605 ÷ 626 = -0.9664536741214057
-0.9664536741214057 x 100 = -96.65%