-95.4% is the change from 847 to 39
Calculation steps:
[( 39 - 847 ) ÷ 847] x 100 = -95.4%
Formula
Percentage change = [(39 - 847) / 847] x 100
Subtract the new number by the original number
39 - 847 = -808
-808 ÷ 847 = -0.9539551357733176
-0.9539551357733176 x 100 = -95.4%