-43.12% is the change from 378 to 215
Calculation steps:
[( 215 - 378 ) ÷ 378] x 100 = -43.12%
Formula
Percentage change = [(215 - 378) / 378] x 100
Subtract the new number by the original number
215 - 378 = -163
-163 ÷ 378 = -0.4312169312169312
-0.4312169312169312 x 100 = -43.12%