-59.66% is the change from 813 to 328
Calculation steps:
[( 328 - 813 ) ÷ 813] x 100 = -59.66%
Formula
Percentage change = [(328 - 813) / 813] x 100
Subtract the new number by the original number
328 - 813 = -485
-485 ÷ 813 = -0.5965559655596556
-0.5965559655596556 x 100 = -59.66%