-85.19% is the change from 378 to 56
Calculation steps:
[( 56 - 378 ) ÷ 378] x 100 = -85.19%
Formula
Percentage change = [(56 - 378) / 378] x 100
Subtract the new number by the original number
56 - 378 = -322
-322 ÷ 378 = -0.8518518518518519
-0.8518518518518519 x 100 = -85.19%