-92.9% is the change from 324 to 23
Calculation steps:
[( 23 - 324 ) ÷ 324] x 100 = -92.9%
Formula
Percentage change = [(23 - 324) / 324] x 100
Subtract the new number by the original number
23 - 324 = -301
-301 ÷ 324 = -0.9290123456790124
-0.9290123456790124 x 100 = -92.9%