-19.4% is the change from 773 to 623
Calculation steps:
[( 623 - 773 ) ÷ 773] x 100 = -19.4%
Formula
Percentage change = [(623 - 773) / 773] x 100
Subtract the new number by the original number
623 - 773 = -150
-150 ÷ 773 = -0.19404915912031048
-0.19404915912031048 x 100 = -19.4%