-30.38% is the change from 813 to 566
Calculation steps:
[( 566 - 813 ) ÷ 813] x 100 = -30.38%
Formula
Percentage change = [(566 - 813) / 813] x 100
Subtract the new number by the original number
566 - 813 = -247
-247 ÷ 813 = -0.3038130381303813
-0.3038130381303813 x 100 = -30.38%