-21.59% is the change from 917 to 719
Calculation steps:
[( 719 - 917 ) ÷ 917] x 100 = -21.59%
Formula
Percentage change = [(719 - 917) / 917] x 100
Subtract the new number by the original number
719 - 917 = -198
-198 ÷ 917 = -0.2159214830970556
-0.2159214830970556 x 100 = -21.59%