-21.19% is the change from 911 to 718
Calculation steps:
[( 718 - 911 ) ÷ 911] x 100 = -21.19%
Formula
Percentage change = [(718 - 911) / 911] x 100
Subtract the new number by the original number
718 - 911 = -193
-193 ÷ 911 = -0.21185510428100987
-0.21185510428100987 x 100 = -21.19%