-87.04% is the change from 378 to 49
Calculation steps:
[( 49 - 378 ) ÷ 378] x 100 = -87.04%
Formula
Percentage change = [(49 - 378) / 378] x 100
Subtract the new number by the original number
49 - 378 = -329
-329 ÷ 378 = -0.8703703703703703
-0.8703703703703703 x 100 = -87.04%