-92.75% is the change from 331 to 24
Calculation steps:
[( 24 - 331 ) ÷ 331] x 100 = -92.75%
Formula
Percentage change = [(24 - 331) / 331] x 100
Subtract the new number by the original number
24 - 331 = -307
-307 ÷ 331 = -0.9274924471299094
-0.9274924471299094 x 100 = -92.75%