-7.45% is the change from 779 to 721
Calculation steps:
[( 721 - 779 ) ÷ 779] x 100 = -7.45%
Formula
Percentage change = [(721 - 779) / 779] x 100
Subtract the new number by the original number
721 - 779 = -58
-58 ÷ 779 = -0.07445442875481387
-0.07445442875481387 x 100 = -7.45%