-12.3% is the change from 813 to 713
Calculation steps:
[( 713 - 813 ) ÷ 813] x 100 = -12.3%
Formula
Percentage change = [(713 - 813) / 813] x 100
Subtract the new number by the original number
713 - 813 = -100
-100 ÷ 813 = -0.12300123001230012
-0.12300123001230012 x 100 = -12.3%