-3.58% is the change from 810 to 781
Calculation steps:
[( 781 - 810 ) ÷ 810] x 100 = -3.58%
Formula
Percentage change = [(781 - 810) / 810] x 100
Subtract the new number by the original number
781 - 810 = -29
-29 ÷ 810 = -0.03580246913580247
-0.03580246913580247 x 100 = -3.58%