-19.26% is the change from 810 to 654
Calculation steps:
[( 654 - 810 ) ÷ 810] x 100 = -19.26%
Formula
Percentage change = [(654 - 810) / 810] x 100
Subtract the new number by the original number
654 - 810 = -156
-156 ÷ 810 = -0.1925925925925926
-0.1925925925925926 x 100 = -19.26%