-21.6% is the change from 773 to 606
Calculation steps:
[( 606 - 773 ) ÷ 773] x 100 = -21.6%
Formula
Percentage change = [(606 - 773) / 773] x 100
Subtract the new number by the original number
606 - 773 = -167
-167 ÷ 773 = -0.21604139715394566
-0.21604139715394566 x 100 = -21.6%