-82.22% is the change from 810 to 144
Calculation steps:
[( 144 - 810 ) ÷ 810] x 100 = -82.22%
Formula
Percentage change = [(144 - 810) / 810] x 100
Subtract the new number by the original number
144 - 810 = -666
-666 ÷ 810 = -0.8222222222222222
-0.8222222222222222 x 100 = -82.22%