-81.47% is the change from 777 to 144
Calculation steps:
[( 144 - 777 ) ÷ 777] x 100 = -81.47%
Formula
Percentage change = [(144 - 777) / 777] x 100
Subtract the new number by the original number
144 - 777 = -633
-633 ÷ 777 = -0.8146718146718147
-0.8146718146718147 x 100 = -81.47%