-3.18% is the change from 849 to 822
Calculation steps:
[( 822 - 849 ) ÷ 849] x 100 = -3.18%
Formula
Percentage change = [(822 - 849) / 849] x 100
Subtract the new number by the original number
822 - 849 = -27
-27 ÷ 849 = -0.03180212014134275
-0.03180212014134275 x 100 = -3.18%