-2.6% is the change from 847 to 825
Calculation steps:
[( 825 - 847 ) ÷ 847] x 100 = -2.6%
Formula
Percentage change = [(825 - 847) / 847] x 100
Subtract the new number by the original number
825 - 847 = -22
-22 ÷ 847 = -0.025974025974025976
-0.025974025974025976 x 100 = -2.6%