-96.28% is the change from 619 to 23
Calculation steps:
[( 23 - 619 ) ÷ 619] x 100 = -96.28%
Formula
Percentage change = [(23 - 619) / 619] x 100
Subtract the new number by the original number
23 - 619 = -596
-596 ÷ 619 = -0.962843295638126
-0.962843295638126 x 100 = -96.28%