-3.87% is the change from 775 to 745
Calculation steps:
[( 745 - 775 ) ÷ 775] x 100 = -3.87%
Formula
Percentage change = [(745 - 775) / 775] x 100
Subtract the new number by the original number
745 - 775 = -30
-30 ÷ 775 = -0.03870967741935484
-0.03870967741935484 x 100 = -3.87%