-56.2% is the change from 863 to 378
Calculation steps:
[( 378 - 863 ) ÷ 863] x 100 = -56.2%
Formula
Percentage change = [(378 - 863) / 863] x 100
Subtract the new number by the original number
378 - 863 = -485
-485 ÷ 863 = -0.5619930475086906
-0.5619930475086906 x 100 = -56.2%