-68.14% is the change from 813 to 259
Calculation steps:
[( 259 - 813 ) ÷ 813] x 100 = -68.14%
Formula
Percentage change = [(259 - 813) / 813] x 100
Subtract the new number by the original number
259 - 813 = -554
-554 ÷ 813 = -0.6814268142681427
-0.6814268142681427 x 100 = -68.14%