-14.55% is the change from 378 to 323
Calculation steps:
[( 323 - 378 ) ÷ 378] x 100 = -14.55%
Formula
Percentage change = [(323 - 378) / 378] x 100
Subtract the new number by the original number
323 - 378 = -55
-55 ÷ 378 = -0.1455026455026455
-0.1455026455026455 x 100 = -14.55%