-10.1% is the change from 802 to 721
Calculation steps:
[( 721 - 802 ) ÷ 802] x 100 = -10.1%
Formula
Percentage change = [(721 - 802) / 802] x 100
Subtract the new number by the original number
721 - 802 = -81
-81 ÷ 802 = -0.10099750623441396
-0.10099750623441396 x 100 = -10.1%