-21.22% is the change from 773 to 609
Calculation steps:
[( 609 - 773 ) ÷ 773] x 100 = -21.22%
Formula
Percentage change = [(609 - 773) / 773] x 100
Subtract the new number by the original number
609 - 773 = -164
-164 ÷ 773 = -0.21216041397153945
-0.21216041397153945 x 100 = -21.22%