-16.45% is the change from 863 to 721
Calculation steps:
[( 721 - 863 ) ÷ 863] x 100 = -16.45%
Formula
Percentage change = [(721 - 863) / 863] x 100
Subtract the new number by the original number
721 - 863 = -142
-142 ÷ 863 = -0.1645422943221321
-0.1645422943221321 x 100 = -16.45%