-11.07% is the change from 912 to 811
Calculation steps:
[( 811 - 912 ) ÷ 912] x 100 = -11.07%
Formula
Percentage change = [(811 - 912) / 912] x 100
Subtract the new number by the original number
811 - 912 = -101
-101 ÷ 912 = -0.11074561403508772
-0.11074561403508772 x 100 = -11.07%