-31.73% is the change from 810 to 553
Calculation steps:
[( 553 - 810 ) ÷ 810] x 100 = -31.73%
Formula
Percentage change = [(553 - 810) / 810] x 100
Subtract the new number by the original number
553 - 810 = -257
-257 ÷ 810 = -0.3172839506172839
-0.3172839506172839 x 100 = -31.73%