-3.77% is the change from 849 to 817
Calculation steps:
[( 817 - 849 ) ÷ 849] x 100 = -3.77%
Formula
Percentage change = [(817 - 849) / 849] x 100
Subtract the new number by the original number
817 - 849 = -32
-32 ÷ 849 = -0.03769140164899882
-0.03769140164899882 x 100 = -3.77%