-4.48% is the change from 849 to 811
Calculation steps:
[( 811 - 849 ) ÷ 849] x 100 = -4.48%
Formula
Percentage change = [(811 - 849) / 849] x 100
Subtract the new number by the original number
811 - 849 = -38
-38 ÷ 849 = -0.0447585394581861
-0.0447585394581861 x 100 = -4.48%