-77.16% is the change from 324 to 74
Calculation steps:
[( 74 - 324 ) ÷ 324] x 100 = -77.16%
Formula
Percentage change = [(74 - 324) / 324] x 100
Subtract the new number by the original number
74 - 324 = -250
-250 ÷ 324 = -0.7716049382716049
-0.7716049382716049 x 100 = -77.16%