-60.76% is the change from 813 to 319
Calculation steps:
[( 319 - 813 ) ÷ 813] x 100 = -60.76%
Formula
Percentage change = [(319 - 813) / 813] x 100
Subtract the new number by the original number
319 - 813 = -494
-494 ÷ 813 = -0.6076260762607626
-0.6076260762607626 x 100 = -60.76%