-92.86% is the change from 378 to 27
Calculation steps:
[( 27 - 378 ) ÷ 378] x 100 = -92.86%
Formula
Percentage change = [(27 - 378) / 378] x 100
Subtract the new number by the original number
27 - 378 = -351
-351 ÷ 378 = -0.9285714285714286
-0.9285714285714286 x 100 = -92.86%