-19.87% is the change from 911 to 730
Calculation steps:
[( 730 - 911 ) ÷ 911] x 100 = -19.87%
Formula
Percentage change = [(730 - 911) / 911] x 100
Subtract the new number by the original number
730 - 911 = -181
-181 ÷ 911 = -0.1986827661909989
-0.1986827661909989 x 100 = -19.87%