-71.8% is the change from 773 to 218
Calculation steps:
[( 218 - 773 ) ÷ 773] x 100 = -71.8%
Formula
Percentage change = [(218 - 773) / 773] x 100
Subtract the new number by the original number
218 - 773 = -555
-555 ÷ 773 = -0.7179818887451488
-0.7179818887451488 x 100 = -71.8%