-42.86% is the change from 378 to 216
Calculation steps:
[( 216 - 378 ) ÷ 378] x 100 = -42.86%
Formula
Percentage change = [(216 - 378) / 378] x 100
Subtract the new number by the original number
216 - 378 = -162
-162 ÷ 378 = -0.42857142857142855
-0.42857142857142855 x 100 = -42.86%