-2.7% is the change from 779 to 758
Calculation steps:
[( 758 - 779 ) ÷ 779] x 100 = -2.7%
Formula
Percentage change = [(758 - 779) / 779] x 100
Subtract the new number by the original number
758 - 779 = -21
-21 ÷ 779 = -0.026957637997432605
-0.026957637997432605 x 100 = -2.7%