-51.41% is the change from 813 to 395
Calculation steps:
[( 395 - 813 ) ÷ 813] x 100 = -51.41%
Formula
Percentage change = [(395 - 813) / 813] x 100
Subtract the new number by the original number
395 - 813 = -418
-418 ÷ 813 = -0.5141451414514145
-0.5141451414514145 x 100 = -51.41%