-51.1% is the change from 773 to 378
Calculation steps:
[( 378 - 773 ) ÷ 773] x 100 = -51.1%
Formula
Percentage change = [(378 - 773) / 773] x 100
Subtract the new number by the original number
378 - 773 = -395
-395 ÷ 773 = -0.5109961190168176
-0.5109961190168176 x 100 = -51.1%