-21.32% is the change from 774 to 609
Calculation steps:
[( 609 - 774 ) ÷ 774] x 100 = -21.32%
Formula
Percentage change = [(609 - 774) / 774] x 100
Subtract the new number by the original number
609 - 774 = -165
-165 ÷ 774 = -0.2131782945736434
-0.2131782945736434 x 100 = -21.32%