-14.29% is the change from 378 to 324
Calculation steps:
[( 324 - 378 ) ÷ 378] x 100 = -14.29%
Formula
Percentage change = [(324 - 378) / 378] x 100
Subtract the new number by the original number
324 - 378 = -54
-54 ÷ 378 = -0.14285714285714285
-0.14285714285714285 x 100 = -14.29%