-31.37% is the change from 813 to 558
Calculation steps:
[( 558 - 813 ) ÷ 813] x 100 = -31.37%
Formula
Percentage change = [(558 - 813) / 813] x 100
Subtract the new number by the original number
558 - 813 = -255
-255 ÷ 813 = -0.31365313653136534
-0.31365313653136534 x 100 = -31.37%