-1.23% is the change from 811 to 801
Calculation steps:
[( 801 - 811 ) ÷ 811] x 100 = -1.23%
Formula
Percentage change = [(801 - 811) / 811] x 100
Subtract the new number by the original number
801 - 811 = -10
-10 ÷ 811 = -0.012330456226880395
-0.012330456226880395 x 100 = -1.23%