-28.64% is the change from 810 to 578
Calculation steps:
[( 578 - 810 ) ÷ 810] x 100 = -28.64%
Formula
Percentage change = [(578 - 810) / 810] x 100
Subtract the new number by the original number
578 - 810 = -232
-232 ÷ 810 = -0.28641975308641976
-0.28641975308641976 x 100 = -28.64%