-92.45% is the change from 318 to 24
Calculation steps:
[( 24 - 318 ) ÷ 318] x 100 = -92.45%
Formula
Percentage change = [(24 - 318) / 318] x 100
Subtract the new number by the original number
24 - 318 = -294
-294 ÷ 318 = -0.9245283018867925
-0.9245283018867925 x 100 = -92.45%