-59.95% is the change from 819 to 328
Calculation steps:
[( 328 - 819 ) ÷ 819] x 100 = -59.95%
Formula
Percentage change = [(328 - 819) / 819] x 100
Subtract the new number by the original number
328 - 819 = -491
-491 ÷ 819 = -0.5995115995115995
-0.5995115995115995 x 100 = -59.95%