-84.92% is the change from 378 to 57
Calculation steps:
[( 57 - 378 ) ÷ 378] x 100 = -84.92%
Formula
Percentage change = [(57 - 378) / 378] x 100
Subtract the new number by the original number
57 - 378 = -321
-321 ÷ 378 = -0.8492063492063492
-0.8492063492063492 x 100 = -84.92%