-71.41% is the change from 773 to 221
Calculation steps:
[( 221 - 773 ) ÷ 773] x 100 = -71.41%
Formula
Percentage change = [(221 - 773) / 773] x 100
Subtract the new number by the original number
221 - 773 = -552
-552 ÷ 773 = -0.7141009055627425
-0.7141009055627425 x 100 = -71.41%