-71.78% is the change from 847 to 239
Calculation steps:
[( 239 - 847 ) ÷ 847] x 100 = -71.78%
Formula
Percentage change = [(239 - 847) / 847] x 100
Subtract the new number by the original number
239 - 847 = -608
-608 ÷ 847 = -0.717827626918536
-0.717827626918536 x 100 = -71.78%