-72.47% is the change from 810 to 223
Calculation steps:
[( 223 - 810 ) ÷ 810] x 100 = -72.47%
Formula
Percentage change = [(223 - 810) / 810] x 100
Subtract the new number by the original number
223 - 810 = -587
-587 ÷ 810 = -0.7246913580246913
-0.7246913580246913 x 100 = -72.47%