-24.12% is the change from 427 to 324
Calculation steps:
[( 324 - 427 ) ÷ 427] x 100 = -24.12%
Formula
Percentage change = [(324 - 427) / 427] x 100
Subtract the new number by the original number
324 - 427 = -103
-103 ÷ 427 = -0.24121779859484777
-0.24121779859484777 x 100 = -24.12%