-76.54% is the change from 324 to 76
Calculation steps:
[( 76 - 324 ) ÷ 324] x 100 = -76.54%
Formula
Percentage change = [(76 - 324) / 324] x 100
Subtract the new number by the original number
76 - 324 = -248
-248 ÷ 324 = -0.7654320987654321
-0.7654320987654321 x 100 = -76.54%