-71.54% is the change from 773 to 220
Calculation steps:
[( 220 - 773 ) ÷ 773] x 100 = -71.54%
Formula
Percentage change = [(220 - 773) / 773] x 100
Subtract the new number by the original number
220 - 773 = -553
-553 ÷ 773 = -0.7153945666235446
-0.7153945666235446 x 100 = -71.54%