-71.41% is the change from 780 to 223
Calculation steps:
[( 223 - 780 ) ÷ 780] x 100 = -71.41%
Formula
Percentage change = [(223 - 780) / 780] x 100
Subtract the new number by the original number
223 - 780 = -557
-557 ÷ 780 = -0.7141025641025641
-0.7141025641025641 x 100 = -71.41%