-53.51% is the change from 813 to 378
Calculation steps:
[( 378 - 813 ) ÷ 813] x 100 = -53.51%
Formula
Percentage change = [(378 - 813) / 813] x 100
Subtract the new number by the original number
378 - 813 = -435
-435 ÷ 813 = -0.5350553505535055
-0.5350553505535055 x 100 = -53.51%