-40.22% is the change from 813 to 486
Calculation steps:
[( 486 - 813 ) ÷ 813] x 100 = -40.22%
Formula
Percentage change = [(486 - 813) / 813] x 100
Subtract the new number by the original number
486 - 813 = -327
-327 ÷ 813 = -0.4022140221402214
-0.4022140221402214 x 100 = -40.22%