-2.72% is the change from 847 to 824
Calculation steps:
[( 824 - 847 ) ÷ 847] x 100 = -2.72%
Formula
Percentage change = [(824 - 847) / 847] x 100
Subtract the new number by the original number
824 - 847 = -23
-23 ÷ 847 = -0.02715466351829988
-0.02715466351829988 x 100 = -2.72%