-85.19% is the change from 324 to 48
Calculation steps:
[( 48 - 324 ) ÷ 324] x 100 = -85.19%
Formula
Percentage change = [(48 - 324) / 324] x 100
Subtract the new number by the original number
48 - 324 = -276
-276 ÷ 324 = -0.8518518518518519
-0.8518518518518519 x 100 = -85.19%