-59.29% is the change from 813 to 331
Calculation steps:
[( 331 - 813 ) ÷ 813] x 100 = -59.29%
Formula
Percentage change = [(331 - 813) / 813] x 100
Subtract the new number by the original number
331 - 813 = -482
-482 ÷ 813 = -0.5928659286592866
-0.5928659286592866 x 100 = -59.29%