-96.83% is the change from 378 to 12
Calculation steps:
[( 12 - 378 ) ÷ 378] x 100 = -96.83%
Formula
Percentage change = [(12 - 378) / 378] x 100
Subtract the new number by the original number
12 - 378 = -366
-366 ÷ 378 = -0.9682539682539683
-0.9682539682539683 x 100 = -96.83%