-21.29% is the change from 916 to 721
Calculation steps:
[( 721 - 916 ) ÷ 916] x 100 = -21.29%
Formula
Percentage change = [(721 - 916) / 916] x 100
Subtract the new number by the original number
721 - 916 = -195
-195 ÷ 916 = -0.212882096069869
-0.212882096069869 x 100 = -21.29%