-81.54% is the change from 780 to 144
Calculation steps:
[( 144 - 780 ) ÷ 780] x 100 = -81.54%
Formula
Percentage change = [(144 - 780) / 780] x 100
Subtract the new number by the original number
144 - 780 = -636
-636 ÷ 780 = -0.8153846153846154
-0.8153846153846154 x 100 = -81.54%