-71.15% is the change from 773 to 223
Calculation steps:
[( 223 - 773 ) ÷ 773] x 100 = -71.15%
Formula
Percentage change = [(223 - 773) / 773] x 100
Subtract the new number by the original number
223 - 773 = -550
-550 ÷ 773 = -0.7115135834411385
-0.7115135834411385 x 100 = -71.15%