-31.86% is the change from 813 to 554
Calculation steps:
[( 554 - 813 ) ÷ 813] x 100 = -31.86%
Formula
Percentage change = [(554 - 813) / 813] x 100
Subtract the new number by the original number
554 - 813 = -259
-259 ÷ 813 = -0.31857318573185733
-0.31857318573185733 x 100 = -31.86%