-2.94% is the change from 849 to 824
Calculation steps:
[( 824 - 849 ) ÷ 849] x 100 = -2.94%
Formula
Percentage change = [(824 - 849) / 849] x 100
Subtract the new number by the original number
824 - 849 = -25
-25 ÷ 849 = -0.02944640753828033
-0.02944640753828033 x 100 = -2.94%