-85.71% is the change from 378 to 54
Calculation steps:
[( 54 - 378 ) ÷ 378] x 100 = -85.71%
Formula
Percentage change = [(54 - 378) / 378] x 100
Subtract the new number by the original number
54 - 378 = -324
-324 ÷ 378 = -0.8571428571428571
-0.8571428571428571 x 100 = -85.71%