-48.11% is the change from 819 to 425
Calculation steps:
[( 425 - 819 ) ÷ 819] x 100 = -48.11%
Formula
Percentage change = [(425 - 819) / 819] x 100
Subtract the new number by the original number
425 - 819 = -394
-394 ÷ 819 = -0.4810744810744811
-0.4810744810744811 x 100 = -48.11%