-93.95% is the change from 397 to 24
Calculation steps:
[( 24 - 397 ) ÷ 397] x 100 = -93.95%
Formula
Percentage change = [(24 - 397) / 397] x 100
Subtract the new number by the original number
24 - 397 = -373
-373 ÷ 397 = -0.9395465994962217
-0.9395465994962217 x 100 = -93.95%