-22.31% is the change from 928 to 721
Calculation steps:
[( 721 - 928 ) ÷ 928] x 100 = -22.31%
Formula
Percentage change = [(721 - 928) / 928] x 100
Subtract the new number by the original number
721 - 928 = -207
-207 ÷ 928 = -0.22306034482758622
-0.22306034482758622 x 100 = -22.31%