-69.74% is the change from 813 to 246
Calculation steps:
[( 246 - 813 ) ÷ 813] x 100 = -69.74%
Formula
Percentage change = [(246 - 813) / 813] x 100
Subtract the new number by the original number
246 - 813 = -567
-567 ÷ 813 = -0.6974169741697417
-0.6974169741697417 x 100 = -69.74%