-92.9% is the change from 338 to 24
Calculation steps:
[( 24 - 338 ) ÷ 338] x 100 = -92.9%
Formula
Percentage change = [(24 - 338) / 338] x 100
Subtract the new number by the original number
24 - 338 = -314
-314 ÷ 338 = -0.9289940828402367
-0.9289940828402367 x 100 = -92.9%