-53.1% is the change from 806 to 378
Calculation steps:
[( 378 - 806 ) ÷ 806] x 100 = -53.1%
Formula
Percentage change = [(378 - 806) / 806] x 100
Subtract the new number by the original number
378 - 806 = -428
-428 ÷ 806 = -0.5310173697270472
-0.5310173697270472 x 100 = -53.1%