-9.99% is the change from 811 to 730
Calculation steps:
[( 730 - 811 ) ÷ 811] x 100 = -9.99%
Formula
Percentage change = [(730 - 811) / 811] x 100
Subtract the new number by the original number
730 - 811 = -81
-81 ÷ 811 = -0.0998766954377312
-0.0998766954377312 x 100 = -9.99%