-32.72% is the change from 813 to 547
Calculation steps:
[( 547 - 813 ) ÷ 813] x 100 = -32.72%
Formula
Percentage change = [(547 - 813) / 813] x 100
Subtract the new number by the original number
547 - 813 = -266
-266 ÷ 813 = -0.32718327183271834
-0.32718327183271834 x 100 = -32.72%