-96.15% is the change from 623 to 24
Calculation steps:
[( 24 - 623 ) ÷ 623] x 100 = -96.15%
Formula
Percentage change = [(24 - 623) / 623] x 100
Subtract the new number by the original number
24 - 623 = -599
-599 ÷ 623 = -0.9614767255216693
-0.9614767255216693 x 100 = -96.15%