-96.37% is the change from 662 to 24
Calculation steps:
[( 24 - 662 ) ÷ 662] x 100 = -96.37%
Formula
Percentage change = [(24 - 662) / 662] x 100
Subtract the new number by the original number
24 - 662 = -638
-638 ÷ 662 = -0.9637462235649547
-0.9637462235649547 x 100 = -96.37%