-47.85% is the change from 813 to 424
Calculation steps:
[( 424 - 813 ) ÷ 813] x 100 = -47.85%
Formula
Percentage change = [(424 - 813) / 813] x 100
Subtract the new number by the original number
424 - 813 = -389
-389 ÷ 813 = -0.4784747847478475
-0.4784747847478475 x 100 = -47.85%