-9.99% is the change from 801 to 721
Calculation steps:
[( 721 - 801 ) ÷ 801] x 100 = -9.99%
Formula
Percentage change = [(721 - 801) / 801] x 100
Subtract the new number by the original number
721 - 801 = -80
-80 ÷ 801 = -0.09987515605493133
-0.09987515605493133 x 100 = -9.99%