-88.27% is the change from 324 to 38
Calculation steps:
[( 38 - 324 ) ÷ 324] x 100 = -88.27%
Formula
Percentage change = [(38 - 324) / 324] x 100
Subtract the new number by the original number
38 - 324 = -286
-286 ÷ 324 = -0.8827160493827161
-0.8827160493827161 x 100 = -88.27%