-71.81% is the change from 777 to 219
Calculation steps:
[( 219 - 777 ) ÷ 777] x 100 = -71.81%
Formula
Percentage change = [(219 - 777) / 777] x 100
Subtract the new number by the original number
219 - 777 = -558
-558 ÷ 777 = -0.7181467181467182
-0.7181467181467182 x 100 = -71.81%
Example