-24.36% is the change from 427 to 323
Calculation steps:
[( 323 - 427 ) ÷ 427] x 100 = -24.36%
Formula
Percentage change = [(323 - 427) / 427] x 100
Subtract the new number by the original number
323 - 427 = -104
-104 ÷ 427 = -0.24355971896955503
-0.24355971896955503 x 100 = -24.36%