-69.25% is the change from 813 to 250
Calculation steps:
[( 250 - 813 ) ÷ 813] x 100 = -69.25%
Formula
Percentage change = [(250 - 813) / 813] x 100
Subtract the new number by the original number
250 - 813 = -563
-563 ÷ 813 = -0.6924969249692496
-0.6924969249692496 x 100 = -69.25%